21501974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{48647}}^1$

素因数の和:48679

約数の個数: 16

約数和(自身を含む): 36777888

約数和(自身を除く): 15275914

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 48647, 97294, 632411, 826999, 1264822, 1653998, 10750987, 21501974]

約数ペア:

[(1, 21501974), (2, 10750987), (13, 1653998), (17, 1264822), (26, 826999), (34, 632411), (221, 97294), (442, 48647)]