21175692

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^2\times {\mathrm{1289}}^1$

素因数の和:1370

約数の個数: 36

約数和(自身を含む): 50820840

約数和(自身を除く): 29645148

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 1289, 1369, 2578, 2738, 3867, 4107, 5156, 5476, 7734, 8214, 15468, 16428, 47693, 95386, 143079, 190772, 286158, 572316, 1764641, 3529282, 5293923, 7058564, 10587846, 21175692]

約数ペア:

[(1, 21175692), (2, 10587846), (3, 7058564), (4, 5293923), (6, 3529282), (12, 1764641), (37, 572316), (74, 286158), (111, 190772), (148, 143079), (222, 95386), (444, 47693), (1289, 16428), (1369, 15468), (2578, 8214), (2738, 7734), (3867, 5476), (4107, 5156)]