21498560

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 84

約数和(自身を含む): 53937408

約数和(自身を除く): 32438848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 127, 160, 184, 230, 254, 320, 368, 460, 508, 529, 635, 736, 920, 1016, 1058, 1270, 1472, 1840, 2032, 2116, 2540, 2645, 2921, 3680, 4064, 4232, 5080, 5290, 5842, 7360, 8128, 8464, 10160, 10580, 11684, 14605, 16928, 20320, 21160, 23368, 29210, 33856, 40640, 42320, 46736, 58420, 67183, 84640, 93472, 116840, 134366, 169280, 186944, 233680, 268732, 335915, 467360, 537464, 671830, 934720, 1074928, 1343660, 2149856, 2687320, 4299712, 5374640, 10749280, 21498560]

約数ペア:

[(1, 21498560), (2, 10749280), (4, 5374640), (5, 4299712), (8, 2687320), (10, 2149856), (16, 1343660), (20, 1074928), (23, 934720), (32, 671830), (40, 537464), (46, 467360), (64, 335915), (80, 268732), (92, 233680), (115, 186944), (127, 169280), (160, 134366), (184, 116840), (230, 93472), (254, 84640), (320, 67183), (368, 58420), (460, 46736), (508, 42320), (529, 40640), (635, 33856), (736, 29210), (920, 23368), (1016, 21160), (1058, 20320), (1270, 16928), (1472, 14605), (1840, 11684), (2032, 10580), (2116, 10160), (2540, 8464), (2645, 8128), (2921, 7360), (3680, 5842), (4064, 5290), (4232, 5080)]