21499634

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{3919}}^1$

素因数の和:4145

約数の個数: 16

約数和(自身を含む): 34903680

約数和(自身を除く): 13404046

約数列:

[1, 2, 13, 26, 211, 422, 2743, 3919, 5486, 7838, 50947, 101894, 826909, 1653818, 10749817, 21499634]

約数ペア:

[(1, 21499634), (2, 10749817), (13, 1653818), (26, 826909), (211, 101894), (422, 50947), (2743, 7838), (3919, 5486)]