21722108

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{463}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 39248832

約数和(自身を除く): 17526724

約数列:

[1, 2, 4, 37, 74, 148, 317, 463, 634, 926, 1268, 1852, 11729, 17131, 23458, 34262, 46916, 68524, 146771, 293542, 587084, 5430527, 10861054, 21722108]

約数ペア:

[(1, 21722108), (2, 10861054), (4, 5430527), (37, 587084), (74, 293542), (148, 146771), (317, 68524), (463, 46916), (634, 34262), (926, 23458), (1268, 17131), (1852, 11729)]