21553642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2729}}^1$

素因数の和:3101

約数の個数: 16

約数和(自身を含む): 35380800

約数和(自身を除く): 13827158

約数列:

[1, 2, 11, 22, 359, 718, 2729, 3949, 5458, 7898, 30019, 60038, 979711, 1959422, 10776821, 21553642]

約数ペア:

[(1, 21553642), (2, 10776821), (11, 1959422), (22, 979711), (359, 60038), (718, 30019), (2729, 7898), (3949, 5458)]