21909599810280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{690187}}^1$

素因数の和:690263

約数の個数: 1024

約数和(自身を含む): 100182168576000

約数和(自身を除く): 78272568765720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 17, 18, 19, 20, 21, 24, 26, 27, 28, 30, 34, 35, 36, 38, 39, 40, 42, 45, 51, 52, 54, 56, 57, 60, 63, 65, 68, 70, 72, 76, 78, 84, 85, 90, 91, 95, 102, 104, 105, 108, 114, 117, 119, 120, 126, 130, 133, 135, 136, 140, 152, 153, 156, 168, 170, 171, 180, 182, 189, 190, 195, 204, 210, 216, 221, 228, 234, 238, 247, 252, 255, 260, 266, 270, 273, 280, 285, 306, 312, 315, 323, 340, 342, 351, 357, 360, 364, 378, 380, 390, 399, 408, 420, 442, 455, 456, 459, 468, 476, 494, 504, 510, 513, 520, 532, 540, 546, 570, 585, 595, 612, 630, 646, 663, 665, 680, 684, 702, 714, 728, 741, 756, 760, 765, 780, 798, 819, 840, 855, 884, 910, 918, 936, 945, 952, 969, 988, 1020, 1026, 1064, 1071, 1080, 1092, 1105, 1140, 1170, 1190, 1197, 1224, 1235, 1260, 1292, 1326, 1330, 1365, 1368, 1404, 1428, 1482, 1512, 1530, 1547, 1560, 1596, 1615, 1638, 1710, 1729, 1755, 1768, 1785, 1820, 1836, 1890, 1938, 1976, 1989, 1995, 2040, 2052, 2142, 2184, 2210, 2223, 2261, 2280, 2295, 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約数ペア:

[(1, 21909599810280), (2, 10954799905140), (3, 7303199936760), (4, 5477399952570), (5, 4381919962056), (6, 3651599968380), (7, 3129942830040), (8, 2738699976285), (9, 2434399978920), (10, 2190959981028), (12, 1825799984190), (13, 1685353831560), (14, 1564971415020), (15, 1460639987352), (17, 1288799988840), (18, 1217199989460), (19, 1153136832120), (20, 1095479990514), (21, 1043314276680), (24, 912899992095), (26, 842676915780), (27, 811466659640), (28, 782485707510), (30, 730319993676), (34, 644399994420), (35, 625988566008), (36, 608599994730), (38, 576568416060), (39, 561784610520), (40, 547739995257), (42, 521657138340), (45, 486879995784), (51, 429599996280), (52, 421338457890), (54, 405733329820), (56, 391242853755), (57, 384378944040), (60, 365159996838), (63, 347771425560), (65, 337070766312), (68, 322199997210), (70, 312994283004), (72, 304299997365), (76, 288284208030), (78, 280892305260), (84, 260828569170), (85, 257759997768), (90, 243439997892), (91, 240764833080), (95, 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