About the Number

21081304687560

21081304687559 ← → 21081304687561

2進数表記:100110010110001011111101011010110001111001000

漢数字表記:二十一兆八百十三億四百六十八万七千五百六十

素因数分解:

2 3 × 3 1 × 5 1 × 13 1 × 73 1 × 503 1 × 368029 1

素因数の和:368632
約数の個数: 256
約数和(自身を含む): 69179276275200
約数和(自身を除く): 48097971587640

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 73, 78, 104, 120, 130, 146, 156, 195, 219, 260, 292, 312, 365, 390, 438, 503, 520, 584, 730, 780, 876, 949, 1006, 1095, 1460, 1509, 1560, 1752, 1898, 2012, 2190, 2515, 2847, 2920, 3018, 3796, 4024, 4380, 4745, 5030, 5694, 6036, 6539, 7545, 7592, 8760, 9490, 10060, 11388, 12072, 13078, 14235, 15090, 18980, 19617, 20120, 22776, 26156, 28470, 30180, 32695, 36719, 37960, 39234, 52312, 56940, 60360, 65390, 73438, 78468, 98085, 110157, 113880, 130780, 146876, 156936, 183595, 196170, 220314, 261560, 293752, 367190, 368029, 392340, 440628, 477347, 550785, 734380, 736058, 784680, 881256, 954694, 1101570, 1104087, 1432041, 1468760, 1472116, 1840145, 1909388, 2203140, 2208174, 2386735, 2864082, 2944232, 3680290, 3818776, 4406280, 4416348, 4773470, 4784377, 5520435, 5728164, 7160205, 7360580, 8832696, 9546940, 9568754, 11040870, 11456328, 14320410, 14353131, 14721160, 19093880, 19137508, 22081740, 23921885, 26866117, 28640820, 28706262, 38275016, 44163480, 47843770, 53732234, 57281640, 57412524, 71765655, 80598351, 95687540, 107464468, 114825048, 134330585, 143531310, 161196702, 185118587, 191375080, 214928936, 268661170, 287062620, 322393404, 349259521, 370237174, 402991755, 537322340, 555355761, 574125240, 644786808, 698519042, 740474348, 805983510, 925592935, 1047778563, 1074644680, 1110711522, 1397038084, 1480948696, 1611967020, 1746297605, 1851185870, 2095557126, 2221423044, 2406541631, 2776778805, 2794076168, 3223934040, 3492595210, 3702371740, 4191114252, 4442846088, 4813083262, 5238892815, 5553557610, 6985190420, 7219624893, 7404743480, 8382228504, 9626166524, 10477785630, 11107115220, 12032708155, 13513656851, 13970380840, 14439249786, 19252333048, 20955571260, 22214230440, 24065416310, 27027313702, 28878499572, 36098124465, 40540970553, 41911142520, 48130832620, 54054627404, 57756999144, 67568284255, 72196248930, 81081941106, 96261665240, 108109254808, 135136568510, 144392497860, 162163882212, 175677539063, 202704852765, 270273137020, 288784995720, 324327764424, 351355078126, 405409705530, 527032617189, 540546274040, 702710156252, 810819411060, 878387695315, 1054065234378, 1405420312504, 1621638822120, 1756775390630, 2108130468756, 2635163085945, 3513550781260, 4216260937512, 5270326171890, 7027101562520, 10540652343780, 21081304687560]

約数ペア:
[(1, 21081304687560), (2, 10540652343780), (3, 7027101562520), (4, 5270326171890), (5, 4216260937512), (6, 3513550781260), (8, 2635163085945), (10, 2108130468756), (12, 1756775390630), (13, 1621638822120), (15, 1405420312504), (20, 1054065234378), (24, 878387695315), (26, 810819411060), (30, 702710156252), (39, 540546274040), (40, 527032617189), (52, 405409705530), (60, 351355078126), (65, 324327764424), (73, 288784995720), (78, 270273137020), (104, 202704852765), (120, 175677539063), (130, 162163882212), (146, 144392497860), (156, 135136568510), (195, 108109254808), (219, 96261665240), (260, 81081941106), (292, 72196248930), (312, 67568284255), (365, 57756999144), (390, 54054627404), (438, 48130832620), (503, 41911142520), (520, 40540970553), (584, 36098124465), (730, 28878499572), (780, 27027313702), (876, 24065416310), (949, 22214230440), (1006, 20955571260), (1095, 19252333048), (1460, 14439249786), (1509, 13970380840), (1560, 13513656851), (1752, 12032708155), (1898, 11107115220), (2012, 10477785630), (2190, 9626166524), (2515, 8382228504), (2847, 7404743480), (2920, 7219624893), (3018, 6985190420), (3796, 5553557610), (4024, 5238892815), (4380, 4813083262), (4745, 4442846088), (5030, 4191114252), (5694, 3702371740), (6036, 3492595210), (6539, 3223934040), (7545, 2794076168), (7592, 2776778805), (8760, 2406541631), (9490, 2221423044), (10060, 2095557126), (11388, 1851185870), (12072, 1746297605), (13078, 1611967020), (14235, 1480948696), (15090, 1397038084), (18980, 1110711522), (19617, 1074644680), (20120, 1047778563), (22776, 925592935), (26156, 805983510), (28470, 740474348), (30180, 698519042), (32695, 644786808), (36719, 574125240), (37960, 555355761), (39234, 537322340), (52312, 402991755), (56940, 370237174), (60360, 349259521), (65390, 322393404), (73438, 287062620), (78468, 268661170), (98085, 214928936), (110157, 191375080), (113880, 185118587), (130780, 161196702), (146876, 143531310), (156936, 134330585), (183595, 114825048), (196170, 107464468), (220314, 95687540), (261560, 80598351), (293752, 71765655), (367190, 57412524), (368029, 57281640), (392340, 53732234), (440628, 47843770), (477347, 44163480), (550785, 38275016), (734380, 28706262), (736058, 28640820), (784680, 26866117), (881256, 23921885), (954694, 22081740), (1101570, 19137508), (1104087, 19093880), (1432041, 14721160), (1468760, 14353131), (1472116, 14320410), (1840145, 11456328), (1909388, 11040870), (2203140, 9568754), (2208174, 9546940), (2386735, 8832696), (2864082, 7360580), (2944232, 7160205), (3680290, 5728164), (3818776, 5520435), (4406280, 4784377), (4416348, 4773470)]

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