21515262

素因数分解:

$2^1\times 3^1\times {\mathrm{1553}}^1\times {\mathrm{2309}}^1$

素因数の和:3867

約数の個数: 16

約数和(自身を含む): 43076880

約数和(自身を除く): 21561618

約数列:

[1, 2, 3, 6, 1553, 2309, 3106, 4618, 4659, 6927, 9318, 13854, 3585877, 7171754, 10757631, 21515262]

約数ペア:

[(1, 21515262), (2, 10757631), (3, 7171754), (6, 3585877), (1553, 13854), (2309, 9318), (3106, 6927), (4618, 4659)]