21188038

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{911}}^1$

素因数の和:1343

約数の個数: 16

約数和(自身を含む): 32996160

約数和(自身を除く): 11808122

約数列:

[1, 2, 29, 58, 401, 802, 911, 1822, 11629, 23258, 26419, 52838, 365311, 730622, 10594019, 21188038]

約数ペア:

[(1, 21188038), (2, 10594019), (29, 730622), (58, 365311), (401, 52838), (802, 26419), (911, 23258), (1822, 11629)]