21000252689

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{928927}}^1$

素因数の和:929024

約数の個数: 16

約数和(自身を含む): 23721105408

約数和(自身を除く): 2720852719

約数列:

[1, 13, 37, 47, 481, 611, 1739, 22607, 928927, 12076051, 34370299, 43659569, 446813887, 567574397, 1615404053, 21000252689]

約数ペア:

[(1, 21000252689), (13, 1615404053), (37, 567574397), (47, 446813887), (481, 43659569), (611, 34370299), (1739, 12076051), (22607, 928927)]