21750476

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{44939}}^1$

素因数の和:44965

約数の個数: 18

約数和(自身を含む): 41839140

約数和(自身を除く): 20088664

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 44939, 89878, 179756, 494329, 988658, 1977316, 5437619, 10875238, 21750476]

約数ペア:

[(1, 21750476), (2, 10875238), (4, 5437619), (11, 1977316), (22, 988658), (44, 494329), (121, 179756), (242, 89878), (484, 44939)]