21745186

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{8719}}^1$

素因数の和:8793

約数の個数: 16

約数和(自身を含む): 34531200

約数和(自身を除く): 12786014

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 8719, 17438, 252851, 374917, 505702, 749834, 10872593, 21745186]

約数ペア:

[(1, 21745186), (2, 10872593), (29, 749834), (43, 505702), (58, 374917), (86, 252851), (1247, 17438), (2494, 8719)]