21401574

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 43768320

約数和(自身を除く): 22366746

約数列:

[1, 2, 3, 6, 79, 158, 163, 237, 277, 326, 474, 489, 554, 831, 978, 1662, 12877, 21883, 25754, 38631, 43766, 45151, 65649, 77262, 90302, 131298, 135453, 270906, 3566929, 7133858, 10700787, 21401574]

約数ペア:

[(1, 21401574), (2, 10700787), (3, 7133858), (6, 3566929), (79, 270906), (158, 135453), (163, 131298), (237, 90302), (277, 77262), (326, 65649), (474, 45151), (489, 43766), (554, 38631), (831, 25754), (978, 21883), (1662, 12877)]