21157624

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85313}}^1$

素因数の和:85350

約数の個数: 16

約数和(自身を含む): 40950720

約数和(自身を除く): 19793096

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85313, 170626, 341252, 682504, 2644703, 5289406, 10578812, 21157624]

約数ペア:

[(1, 21157624), (2, 10578812), (4, 5289406), (8, 2644703), (31, 682504), (62, 341252), (124, 170626), (248, 85313)]