21886964

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{4111}}^1$

素因数の和:4148

約数の個数: 24

約数和(自身を含む): 42139776

約数和(自身を除く): 20252812

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1331, 2662, 4111, 5324, 8222, 16444, 45221, 90442, 180884, 497431, 994862, 1989724, 5471741, 10943482, 21886964]

約数ペア:

[(1, 21886964), (2, 10943482), (4, 5471741), (11, 1989724), (22, 994862), (44, 497431), (121, 180884), (242, 90442), (484, 45221), (1331, 16444), (2662, 8222), (4111, 5324)]