21530816

素因数分解:

$2^6\times {\mathrm{336419}}^1$

素因数の和:336431

約数の個数: 14

約数和(自身を含む): 42725340

約数和(自身を除く): 21194524

約数列:

[1, 2, 4, 8, 16, 32, 64, 336419, 672838, 1345676, 2691352, 5382704, 10765408, 21530816]

約数ペア:

[(1, 21530816), (2, 10765408), (4, 5382704), (8, 2691352), (16, 1345676), (32, 672838), (64, 336419)]