21775408

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{9013}}^1$

素因数の和:9172

約数の個数: 20

約数和(自身を含む): 42473968

約数和(自身を除く): 20698560

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 9013, 18026, 36052, 72104, 144208, 1360963, 2721926, 5443852, 10887704, 21775408]

約数ペア:

[(1, 21775408), (2, 10887704), (4, 5443852), (8, 2721926), (16, 1360963), (151, 144208), (302, 72104), (604, 36052), (1208, 18026), (2416, 9013)]