21248106

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7487}}^1$

素因数の和:7546

約数の個数: 32

約数和(自身を含む): 47443968

約数和(自身を除く): 26195862

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 7487, 14974, 22461, 44922, 82357, 164714, 247071, 321941, 494142, 643882, 965823, 1931646, 3541351, 7082702, 10624053, 21248106]

約数ペア:

[(1, 21248106), (2, 10624053), (3, 7082702), (6, 3541351), (11, 1931646), (22, 965823), (33, 643882), (43, 494142), (66, 321941), (86, 247071), (129, 164714), (258, 82357), (473, 44922), (946, 22461), (1419, 14974), (2838, 7487)]