21116876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3221}}^1$

素因数の和:3385

約数の個数: 24

約数和(自身を含む): 40597200

約数和(自身を除く): 19480324

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3221, 3278, 6442, 6556, 12884, 35431, 70862, 141724, 479929, 959858, 1919716, 5279219, 10558438, 21116876]

約数ペア:

[(1, 21116876), (2, 10558438), (4, 5279219), (11, 1919716), (22, 959858), (44, 479929), (149, 141724), (298, 70862), (596, 35431), (1639, 12884), (3221, 6556), (3278, 6442)]