21399838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{17011}}^1$

素因数の和:17067

約数の個数: 16

約数和(自身を含む): 34908624

約数和(自身を除く): 13508786

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 17011, 34022, 289187, 578374, 629407, 1258814, 10699919, 21399838]

約数ペア:

[(1, 21399838), (2, 10699919), (17, 1258814), (34, 629407), (37, 578374), (74, 289187), (629, 34022), (1258, 17011)]