21904492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{587}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 40501440

約数和(自身を除く): 18596948

約数列:

[1, 2, 4, 19, 38, 76, 491, 587, 982, 1174, 1964, 2348, 9329, 11153, 18658, 22306, 37316, 44612, 288217, 576434, 1152868, 5476123, 10952246, 21904492]

約数ペア:

[(1, 21904492), (2, 10952246), (4, 5476123), (19, 1152868), (38, 576434), (76, 288217), (491, 44612), (587, 37316), (982, 22306), (1174, 18658), (1964, 11153), (2348, 9329)]