21461532

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 51795744

約数和(自身を除く): 30334212

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 181, 241, 246, 362, 482, 492, 543, 723, 724, 964, 1086, 1446, 2172, 2892, 7421, 9881, 14842, 19762, 22263, 29643, 29684, 39524, 43621, 44526, 59286, 87242, 89052, 118572, 130863, 174484, 261726, 523452, 1788461, 3576922, 5365383, 7153844, 10730766, 21461532]

約数ペア:

[(1, 21461532), (2, 10730766), (3, 7153844), (4, 5365383), (6, 3576922), (12, 1788461), (41, 523452), (82, 261726), (123, 174484), (164, 130863), (181, 118572), (241, 89052), (246, 87242), (362, 59286), (482, 44526), (492, 43621), (543, 39524), (723, 29684), (724, 29643), (964, 22263), (1086, 19762), (1446, 14842), (2172, 9881), (2892, 7421)]