21093699120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6760801}}^1$

素因数の和:6760830

約数の個数: 80

約数和(自身を含む): 70420513632

約数和(自身を除く): 49326814512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6760801, 13521602, 20282403, 27043204, 33804005, 40564806, 54086408, 67608010, 81129612, 87890413, 101412015, 108172816, 135216020, 162259224, 175780826, 202824030, 263671239, 270432040, 324518448, 351561652, 405648060, 439452065, 527342478, 540864080, 703123304, 811296120, 878904130, 1054684956, 1318356195, 1406246608, 1622592240, 1757808260, 2109369912, 2636712390, 3515616520, 4218739824, 5273424780, 7031233040, 10546849560, 21093699120]

約数ペア:

[(1, 21093699120), (2, 10546849560), (3, 7031233040), (4, 5273424780), (5, 4218739824), (6, 3515616520), (8, 2636712390), (10, 2109369912), (12, 1757808260), (13, 1622592240), (15, 1406246608), (16, 1318356195), (20, 1054684956), (24, 878904130), (26, 811296120), (30, 703123304), (39, 540864080), (40, 527342478), (48, 439452065), (52, 405648060), (60, 351561652), (65, 324518448), (78, 270432040), (80, 263671239), (104, 202824030), (120, 175780826), (130, 162259224), (156, 135216020), (195, 108172816), (208, 101412015), (240, 87890413), (260, 81129612), (312, 67608010), (390, 54086408), (520, 40564806), (624, 33804005), (780, 27043204), (1040, 20282403), (1560, 13521602), (3120, 6760801)]