21898487

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 24706080

約数和(自身を除く): 2807593

約数列:

[1, 13, 37, 53, 481, 689, 859, 1961, 11167, 25493, 31783, 45527, 413179, 591851, 1684499, 21898487]

約数ペア:

[(1, 21898487), (13, 1684499), (37, 591851), (53, 413179), (481, 45527), (689, 31783), (859, 25493), (1961, 11167)]