21150212

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 37669632

約数和(自身を除く): 16519420

約数列:

[1, 2, 4, 131, 181, 223, 262, 362, 446, 524, 724, 892, 23711, 29213, 40363, 47422, 58426, 80726, 94844, 116852, 161452, 5287553, 10575106, 21150212]

約数ペア:

[(1, 21150212), (2, 10575106), (4, 5287553), (131, 161452), (181, 116852), (223, 94844), (262, 80726), (362, 58426), (446, 47422), (524, 40363), (724, 29213), (892, 23711)]