21690326

素因数分解:

$2^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{2351}}^1$

素因数の和:3019

約数の個数: 16

約数和(自身を含む): 37255680

約数和(自身を除く): 15565354

約数列:

[1, 2, 7, 14, 659, 1318, 2351, 4613, 4702, 9226, 16457, 32914, 1549309, 3098618, 10845163, 21690326]

約数ペア:

[(1, 21690326), (2, 10845163), (7, 3098618), (14, 1549309), (659, 32914), (1318, 16457), (2351, 9226), (4613, 4702)]