21432904

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86423}}^1$

素因数の和:86460

約数の個数: 16

約数和(自身を含む): 41483520

約数和(自身を除く): 20050616

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86423, 172846, 345692, 691384, 2679113, 5358226, 10716452, 21432904]

約数ペア:

[(1, 21432904), (2, 10716452), (4, 5358226), (8, 2679113), (31, 691384), (62, 345692), (124, 172846), (248, 86423)]