21758812

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1861}}^1$

素因数の和:1981

約数の個数: 24

約数和(自身を含む): 39623360

約数和(自身を除く): 17864548

約数列:

[1, 2, 4, 37, 74, 79, 148, 158, 316, 1861, 2923, 3722, 5846, 7444, 11692, 68857, 137714, 147019, 275428, 294038, 588076, 5439703, 10879406, 21758812]

約数ペア:

[(1, 21758812), (2, 10879406), (4, 5439703), (37, 588076), (74, 294038), (79, 275428), (148, 147019), (158, 137714), (316, 68857), (1861, 11692), (2923, 7444), (3722, 5846)]