21076712

素因数分解:

$2^3\times {\mathrm{821}}^1\times {\mathrm{3209}}^1$

素因数の和:4036

約数の個数: 16

約数和(自身を含む): 39579300

約数和(自身を除く): 18502588

約数列:

[1, 2, 4, 8, 821, 1642, 3209, 3284, 6418, 6568, 12836, 25672, 2634589, 5269178, 10538356, 21076712]

約数ペア:

[(1, 21076712), (2, 10538356), (4, 5269178), (8, 2634589), (821, 25672), (1642, 12836), (3209, 6568), (3284, 6418)]