21134659

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6277}}^1$

素因数の和:6334

約数の個数: 16

約数和(自身を含む): 26719168

約数和(自身を除く): 5584509

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 6277, 43939, 81601, 232249, 571207, 1625743, 3019237, 21134659]

約数ペア:

[(1, 21134659), (7, 3019237), (13, 1625743), (37, 571207), (91, 232249), (259, 81601), (481, 43939), (3367, 6277)]