21616197960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{310043}}^1$

素因数の和:310147

約数の個数: 128

約数和(自身を含む): 75005844480

約数和(自身を除く): 53389646520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 415, 420, 498, 581, 664, 830, 840, 996, 1162, 1245, 1660, 1743, 1992, 2324, 2490, 2905, 3320, 3486, 4648, 4980, 5810, 6972, 8715, 9960, 11620, 13944, 17430, 23240, 34860, 69720, 310043, 620086, 930129, 1240172, 1550215, 1860258, 2170301, 2480344, 3100430, 3720516, 4340602, 4650645, 6200860, 6510903, 7441032, 8681204, 9301290, 10851505, 12401720, 13021806, 17362408, 18602580, 21703010, 25733569, 26043612, 32554515, 37205160, 43406020, 51467138, 52087224, 65109030, 77200707, 86812040, 102934276, 128667845, 130218060, 154401414, 180134983, 205868552, 257335690, 260436120, 308802828, 360269966, 386003535, 514671380, 540404949, 617605656, 720539932, 772007070, 900674915, 1029342760, 1080809898, 1441079864, 1544014140, 1801349830, 2161619796, 2702024745, 3088028280, 3602699660, 4323239592, 5404049490, 7205399320, 10808098980, 21616197960]

約数ペア:

[(1, 21616197960), (2, 10808098980), (3, 7205399320), (4, 5404049490), (5, 4323239592), (6, 3602699660), (7, 3088028280), (8, 2702024745), (10, 2161619796), (12, 1801349830), (14, 1544014140), (15, 1441079864), (20, 1080809898), (21, 1029342760), (24, 900674915), (28, 772007070), (30, 720539932), (35, 617605656), (40, 540404949), (42, 514671380), (56, 386003535), (60, 360269966), (70, 308802828), (83, 260436120), (84, 257335690), (105, 205868552), (120, 180134983), (140, 154401414), (166, 130218060), (168, 128667845), (210, 102934276), (249, 86812040), (280, 77200707), (332, 65109030), (415, 52087224), (420, 51467138), (498, 43406020), (581, 37205160), (664, 32554515), (830, 26043612), (840, 25733569), (996, 21703010), (1162, 18602580), (1245, 17362408), (1660, 13021806), (1743, 12401720), (1992, 10851505), (2324, 9301290), (2490, 8681204), (2905, 7441032), (3320, 6510903), (3486, 6200860), (4648, 4650645), (4980, 4340602), (5810, 3720516), (6972, 3100430), (8715, 2480344), (9960, 2170301), (11620, 1860258), (13944, 1550215), (17430, 1240172), (23240, 930129), (34860, 620086), (69720, 310043)]