21561198

素因数分解:

$2^1\times 3^1\times {\mathrm{523}}^1\times {\mathrm{6871}}^1$

素因数の和:7399

約数の個数: 16

約数和(自身を含む): 43211136

約数和(自身を除く): 21649938

約数列:

[1, 2, 3, 6, 523, 1046, 1569, 3138, 6871, 13742, 20613, 41226, 3593533, 7187066, 10780599, 21561198]

約数ペア:

[(1, 21561198), (2, 10780599), (3, 7187066), (6, 3593533), (523, 41226), (1046, 20613), (1569, 13742), (3138, 6871)]