21332668

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40099}}^1$

素因数の和:40129

約数の個数: 24

約数和(自身を含む): 44912000

約数和(自身を除く): 23579332

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40099, 80198, 160396, 280693, 561386, 761881, 1122772, 1523762, 3047524, 5333167, 10666334, 21332668]

約数ペア:

[(1, 21332668), (2, 10666334), (4, 5333167), (7, 3047524), (14, 1523762), (19, 1122772), (28, 761881), (38, 561386), (76, 280693), (133, 160396), (266, 80198), (532, 40099)]