21204452

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{3449}}^1$

素因数の和:3535

約数の個数: 24

約数和(自身を含む): 39123000

約数和(自身を除く): 17918548

約数列:

[1, 2, 4, 29, 53, 58, 106, 116, 212, 1537, 3074, 3449, 6148, 6898, 13796, 100021, 182797, 200042, 365594, 400084, 731188, 5301113, 10602226, 21204452]

約数ペア:

[(1, 21204452), (2, 10602226), (4, 5301113), (29, 731188), (53, 400084), (58, 365594), (106, 200042), (116, 182797), (212, 100021), (1537, 13796), (3074, 6898), (3449, 6148)]