21232826

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:769

約数の個数: 16

約数和(自身を含む): 32368680

約数和(自身を除く): 11135854

約数列:

[1, 2, 101, 202, 257, 409, 514, 818, 25957, 41309, 51914, 82618, 105113, 210226, 10616413, 21232826]

約数ペア:

[(1, 21232826), (2, 10616413), (101, 210226), (202, 105113), (257, 82618), (409, 51914), (514, 41309), (818, 25957)]