21003669956

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{41345807}}^1$

素因数の和:41345938

約数の個数: 12

約数和(自身を含む): 37045843968

約数和(自身を除く): 16042174012

約数列:

[1, 2, 4, 127, 254, 508, 41345807, 82691614, 165383228, 5250917489, 10501834978, 21003669956]

約数ペア:

[(1, 21003669956), (2, 10501834978), (4, 5250917489), (127, 165383228), (254, 82691614), (508, 41345807)]