21000953336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238647197}}^1$

素因数の和:238647214

約数の個数: 16

約数和(自身を含む): 42956495640

約数和(自身を除く): 21955542304

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238647197, 477294394, 954588788, 1909177576, 2625119167, 5250238334, 10500476668, 21000953336]

約数ペア:

[(1, 21000953336), (2, 10500476668), (4, 5250238334), (8, 2625119167), (11, 1909177576), (22, 954588788), (44, 477294394), (88, 238647197)]