21006576

素因数分解:

$2^4\times 3^2\times {\mathrm{145879}}^1$

素因数の和:145893

約数の個数: 30

約数和(自身を含む): 58789640

約数和(自身を除く): 37783064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145879, 291758, 437637, 583516, 875274, 1167032, 1312911, 1750548, 2334064, 2625822, 3501096, 5251644, 7002192, 10503288, 21006576]

約数ペア:

[(1, 21006576), (2, 10503288), (3, 7002192), (4, 5251644), (6, 3501096), (8, 2625822), (9, 2334064), (12, 1750548), (16, 1312911), (18, 1167032), (24, 875274), (36, 583516), (48, 437637), (72, 291758), (144, 145879)]