21540794912

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:760

約数の個数: 288

約数和(自身を含む): 56949709824

約数和(自身を除く): 35408914912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 32, 38, 52, 56, 62, 76, 91, 104, 112, 124, 133, 152, 182, 208, 217, 224, 247, 248, 266, 304, 361, 364, 403, 416, 434, 494, 496, 532, 589, 608, 661, 722, 728, 806, 868, 988, 992, 1064, 1178, 1322, 1444, 1456, 1612, 1729, 1736, 1976, 2128, 2356, 2527, 2644, 2821, 2888, 2912, 3224, 3458, 3472, 3952, 4123, 4256, 4627, 4693, 4712, 5054, 5288, 5642, 5776, 6448, 6916, 6944, 7657, 7904, 8246, 8593, 9254, 9386, 9424, 10108, 10576, 11191, 11284, 11552, 12559, 12896, 13832, 15314, 16492, 17186, 18508, 18772, 18848, 20216, 20491, 21152, 22382, 22568, 25118, 27664, 30628, 32851, 32984, 34372, 37016, 37544, 40432, 40982, 44764, 45136, 50236, 53599, 55328, 60151, 61256, 65702, 65968, 68744, 74032, 75088, 78337, 80864, 81964, 87913, 89528, 90272, 100472, 107198, 120302, 122512, 131404, 131936, 137488, 143437, 145483, 148064, 150176, 156674, 163267, 163928, 175826, 179056, 200944, 214396, 238621, 240604, 245024, 262808, 266383, 274976, 286874, 290966, 313348, 326534, 327856, 351652, 358112, 389329, 401888, 428792, 477242, 481208, 525616, 532766, 573748, 581932, 626696, 653068, 655712, 703304, 778658, 857584, 954484, 962416, 1018381, 1051232, 1065532, 1142869, 1147496, 1163864, 1253392, 1306136, 1406608, 1557316, 1670347, 1715168, 1864681, 1908968, 1924832, 2036762, 2131064, 2285738, 2294992, 2327728, 2506784, 2612272, 2725303, 2813216, 3102073, 3114632, 3340694, 3729362, 3817936, 4073524, 4262128, 4571476, 4589984, 4655456, 5061277, 5224544, 5450606, 6204146, 6229264, 6681388, 7397251, 7458724, 7635872, 8147048, 8524256, 9142952, 10122554, 10901212, 12408292, 12458528, 13362776, 14794502, 14917448, 16294096, 18285904, 20245108, 21714511, 21802424, 24816584, 26725552, 29589004, 29834896, 32588192, 35428939, 36571808, 40490216, 43429022, 43604848, 49633168, 51780757, 53451104, 59178008, 59669792, 70857878, 80980432, 86858044, 87209696, 96164263, 99266336, 103561514, 118356016, 141715756, 161960864, 173716088, 192328526, 207123028, 236712032, 283431512, 347432176, 384657052, 414246056, 566863024, 673149841, 694864352, 769314104, 828492112, 1133726048, 1346299682, 1538628208, 1656984224, 2692599364, 3077256416, 5385198728, 10770397456, 21540794912]

約数ペア:

[(1, 21540794912), (2, 10770397456), (4, 5385198728), (7, 3077256416), (8, 2692599364), (13, 1656984224), (14, 1538628208), (16, 1346299682), (19, 1133726048), (26, 828492112), (28, 769314104), (31, 694864352), (32, 673149841), (38, 566863024), (52, 414246056), (56, 384657052), (62, 347432176), (76, 283431512), (91, 236712032), (104, 207123028), (112, 192328526), (124, 173716088), (133, 161960864), (152, 141715756), (182, 118356016), (208, 103561514), (217, 99266336), (224, 96164263), (247, 87209696), (248, 86858044), (266, 80980432), (304, 70857878), (361, 59669792), (364, 59178008), (403, 53451104), (416, 51780757), (434, 49633168), (494, 43604848), (496, 43429022), (532, 40490216), (589, 36571808), (608, 35428939), (661, 32588192), (722, 29834896), (728, 29589004), (806, 26725552), (868, 24816584), (988, 21802424), (992, 21714511), (1064, 20245108), (1178, 18285904), (1322, 16294096), (1444, 14917448), (1456, 14794502), (1612, 13362776), (1729, 12458528), (1736, 12408292), (1976, 10901212), (2128, 10122554), (2356, 9142952), (2527, 8524256), (2644, 8147048), (2821, 7635872), (2888, 7458724), (2912, 7397251), (3224, 6681388), (3458, 6229264), (3472, 6204146), (3952, 5450606), (4123, 5224544), (4256, 5061277), (4627, 4655456), (4693, 4589984), (4712, 4571476), (5054, 4262128), (5288, 4073524), (5642, 3817936), (5776, 3729362), (6448, 3340694), (6916, 3114632), (6944, 3102073), (7657, 2813216), (7904, 2725303), (8246, 2612272), (8593, 2506784), (9254, 2327728), (9386, 2294992), (9424, 2285738), (10108, 2131064), (10576, 2036762), (11191, 1924832), (11284, 1908968), (11552, 1864681), (12559, 1715168), (12896, 1670347), (13832, 1557316), (15314, 1406608), (16492, 1306136), (17186, 1253392), (18508, 1163864), (18772, 1147496), (18848, 1142869), (20216, 1065532), (20491, 1051232), (21152, 1018381), (22382, 962416), (22568, 954484), (25118, 857584), (27664, 778658), (30628, 703304), (32851, 655712), (32984, 653068), (34372, 626696), (37016, 581932), (37544, 573748), (40432, 532766), (40982, 525616), (44764, 481208), (45136, 477242), (50236, 428792), (53599, 401888), (55328, 389329), (60151, 358112), (61256, 351652), (65702, 327856), (65968, 326534), (68744, 313348), (74032, 290966), (75088, 286874), (78337, 274976), (80864, 266383), (81964, 262808), (87913, 245024), (89528, 240604), (90272, 238621), (100472, 214396), (107198, 200944), (120302, 179056), (122512, 175826), (131404, 163928), (131936, 163267), (137488, 156674), (143437, 150176), (145483, 148064)]