21118668

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{26267}}^1$

素因数の和:26341

約数の個数: 24

約数和(自身を含む): 50014272

約数和(自身を除く): 28895604

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 26267, 52534, 78801, 105068, 157602, 315204, 1759889, 3519778, 5279667, 7039556, 10559334, 21118668]

約数ペア:

[(1, 21118668), (2, 10559334), (3, 7039556), (4, 5279667), (6, 3519778), (12, 1759889), (67, 315204), (134, 157602), (201, 105068), (268, 78801), (402, 52534), (804, 26267)]