21440612

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{457}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 38741304

約数和(自身を除く): 17300692

約数列:

[1, 2, 4, 37, 74, 148, 317, 457, 634, 914, 1268, 1828, 11729, 16909, 23458, 33818, 46916, 67636, 144869, 289738, 579476, 5360153, 10720306, 21440612]

約数ペア:

[(1, 21440612), (2, 10720306), (4, 5360153), (37, 579476), (74, 289738), (148, 144869), (317, 67636), (457, 46916), (634, 33818), (914, 23458), (1268, 16909), (1828, 11729)]