21975032

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{88609}}^1$

素因数の和:88646

約数の個数: 16

約数和(自身を含む): 42532800

約数和(自身を除く): 20557768

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 88609, 177218, 354436, 708872, 2746879, 5493758, 10987516, 21975032]

約数ペア:

[(1, 21975032), (2, 10987516), (4, 5493758), (8, 2746879), (31, 708872), (62, 354436), (124, 177218), (248, 88609)]