21000295757

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{1301}}^1\times {\mathrm{62323}}^1$

素因数の和:63668

約数の個数: 16

約数和(自身を含む): 24668337792

約数和(自身を除く): 3668042035

約数列:

[1, 7, 37, 259, 1301, 9107, 48137, 62323, 336959, 436261, 2305951, 16141657, 81082223, 567575561, 3000042251, 21000295757]

約数ペア:

[(1, 21000295757), (7, 3000042251), (37, 567575561), (259, 81082223), (1301, 16141657), (9107, 2305951), (48137, 436261), (62323, 336959)]