21926858

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1409}}^1$

素因数の和:1693

約数の個数: 16

約数和(自身を含む): 34110720

約数和(自身を除く): 12183862

約数列:

[1, 2, 31, 62, 251, 502, 1409, 2818, 7781, 15562, 43679, 87358, 353659, 707318, 10963429, 21926858]

約数ペア:

[(1, 21926858), (2, 10963429), (31, 707318), (62, 353659), (251, 87358), (502, 43679), (1409, 15562), (2818, 7781)]