21227942020

素因数分解:

$2^2\times 5^1\times {\mathrm{9901}}^1\times {\mathrm{107201}}^1$

素因数の和:117111

約数の個数: 24

約数和(自身を含む): 44583596568

約数和(自身を除く): 23355654548

約数列:

[1, 2, 4, 5, 10, 20, 9901, 19802, 39604, 49505, 99010, 107201, 198020, 214402, 428804, 536005, 1072010, 2144020, 1061397101, 2122794202, 4245588404, 5306985505, 10613971010, 21227942020]

約数ペア:

[(1, 21227942020), (2, 10613971010), (4, 5306985505), (5, 4245588404), (10, 2122794202), (20, 1061397101), (9901, 2144020), (19802, 1072010), (39604, 536005), (49505, 428804), (99010, 214402), (107201, 198020)]