21448798

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90121}}^1$

素因数の和:90147

約数の個数: 16

約数和(自身を含む): 38932704

約数和(自身を除く): 17483906

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90121, 180242, 630847, 1261694, 1532057, 3064114, 10724399, 21448798]

約数ペア:

[(1, 21448798), (2, 10724399), (7, 3064114), (14, 1532057), (17, 1261694), (34, 630847), (119, 180242), (238, 90121)]