21521070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 58810752

約数和(自身を除く): 37289682

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 67, 83, 86, 90, 129, 134, 166, 201, 215, 249, 258, 335, 387, 402, 415, 430, 498, 603, 645, 670, 747, 774, 830, 1005, 1206, 1245, 1290, 1494, 1935, 2010, 2490, 2881, 3015, 3569, 3735, 3870, 5561, 5762, 6030, 7138, 7470, 8643, 10707, 11122, 14405, 16683, 17286, 17845, 21414, 25929, 27805, 28810, 32121, 33366, 35690, 43215, 50049, 51858, 53535, 55610, 64242, 83415, 86430, 100098, 107070, 129645, 160605, 166830, 239123, 250245, 259290, 321210, 478246, 500490, 717369, 1195615, 1434738, 2152107, 2391230, 3586845, 4304214, 7173690, 10760535, 21521070]

約数ペア:

[(1, 21521070), (2, 10760535), (3, 7173690), (5, 4304214), (6, 3586845), (9, 2391230), (10, 2152107), (15, 1434738), (18, 1195615), (30, 717369), (43, 500490), (45, 478246), (67, 321210), (83, 259290), (86, 250245), (90, 239123), (129, 166830), (134, 160605), (166, 129645), (201, 107070), (215, 100098), (249, 86430), (258, 83415), (335, 64242), (387, 55610), (402, 53535), (415, 51858), (430, 50049), (498, 43215), (603, 35690), (645, 33366), (670, 32121), (747, 28810), (774, 27805), (830, 25929), (1005, 21414), (1206, 17845), (1245, 17286), (1290, 16683), (1494, 14405), (1935, 11122), (2010, 10707), (2490, 8643), (2881, 7470), (3015, 7138), (3569, 6030), (3735, 5762), (3870, 5561)]