21061592

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{43159}}^1$

素因数の和:43226

約数の個数: 16

約数和(自身を含む): 40138800

約数和(自身を除く): 19077208

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 43159, 86318, 172636, 345272, 2632699, 5265398, 10530796, 21061592]

約数ペア:

[(1, 21061592), (2, 10530796), (4, 5265398), (8, 2632699), (61, 345272), (122, 172636), (244, 86318), (488, 43159)]