21033505896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{673}}^1\times {\mathrm{919}}^1$

素因数の和:1723

約数の個数: 128

約数和(自身を含む): 57295392000

約数和(自身を除く): 36261886104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 654, 673, 872, 919, 1308, 1346, 1417, 1838, 2019, 2616, 2692, 2757, 2834, 3676, 4038, 4251, 5384, 5514, 5668, 7352, 8076, 8502, 8749, 11028, 11336, 11947, 16152, 17004, 17498, 22056, 23894, 26247, 34008, 34996, 35841, 47788, 52494, 69992, 71682, 73357, 95576, 100171, 104988, 143364, 146714, 200342, 209976, 220071, 286728, 293428, 300513, 400684, 440142, 586856, 601026, 618487, 801368, 880284, 953641, 1202052, 1236974, 1302223, 1760568, 1855461, 1907282, 2404104, 2473948, 2604446, 2860923, 3710922, 3814564, 3906669, 4947896, 5208892, 5721846, 7421844, 7629128, 7813338, 8040331, 10417784, 11443692, 14843688, 15626676, 16080662, 22887384, 24120993, 31253352, 32161324, 48241986, 64322648, 67415083, 96483972, 134830166, 192967944, 202245249, 269660332, 404490498, 539320664, 808980996, 876396079, 1617961992, 1752792158, 2629188237, 3505584316, 5258376474, 7011168632, 10516752948, 21033505896]

約数ペア:

[(1, 21033505896), (2, 10516752948), (3, 7011168632), (4, 5258376474), (6, 3505584316), (8, 2629188237), (12, 1752792158), (13, 1617961992), (24, 876396079), (26, 808980996), (39, 539320664), (52, 404490498), (78, 269660332), (104, 202245249), (109, 192967944), (156, 134830166), (218, 96483972), (312, 67415083), (327, 64322648), (436, 48241986), (654, 32161324), (673, 31253352), (872, 24120993), (919, 22887384), (1308, 16080662), (1346, 15626676), (1417, 14843688), (1838, 11443692), (2019, 10417784), (2616, 8040331), (2692, 7813338), (2757, 7629128), (2834, 7421844), (3676, 5721846), (4038, 5208892), (4251, 4947896), (5384, 3906669), (5514, 3814564), (5668, 3710922), (7352, 2860923), (8076, 2604446), (8502, 2473948), (8749, 2404104), (11028, 1907282), (11336, 1855461), (11947, 1760568), (16152, 1302223), (17004, 1236974), (17498, 1202052), (22056, 953641), (23894, 880284), (26247, 801368), (34008, 618487), (34996, 601026), (35841, 586856), (47788, 440142), (52494, 400684), (69992, 300513), (71682, 293428), (73357, 286728), (95576, 220071), (100171, 209976), (104988, 200342), (143364, 146714)]