21573756

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3769}}^1$

素因数の和:3835

約数の個数: 48

約数和(自身を含む): 57002400

約数和(自身を除く): 35428644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 3769, 5724, 7538, 11307, 15076, 22614, 33921, 45228, 67842, 101763, 135684, 199757, 203526, 399514, 407052, 599271, 799028, 1198542, 1797813, 2397084, 3595626, 5393439, 7191252, 10786878, 21573756]

約数ペア:

[(1, 21573756), (2, 10786878), (3, 7191252), (4, 5393439), (6, 3595626), (9, 2397084), (12, 1797813), (18, 1198542), (27, 799028), (36, 599271), (53, 407052), (54, 399514), (106, 203526), (108, 199757), (159, 135684), (212, 101763), (318, 67842), (477, 45228), (636, 33921), (954, 22614), (1431, 15076), (1908, 11307), (2862, 7538), (3769, 5724)]