21569668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8573}}^1$

素因数の和:8631

約数の個数: 24

約数和(自身を含む): 41052312

約数和(自身を除く): 19482644

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8573, 17146, 34292, 145741, 291482, 317201, 582964, 634402, 1268804, 5392417, 10784834, 21569668]

約数ペア:

[(1, 21569668), (2, 10784834), (4, 5392417), (17, 1268804), (34, 634402), (37, 582964), (68, 317201), (74, 291482), (148, 145741), (629, 34292), (1258, 17146), (2516, 8573)]