21815222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{919}}^1$

素因数の和:1028

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 17133898

約数列:

[1, 2, 11, 13, 22, 26, 83, 143, 166, 286, 913, 919, 1079, 1826, 1838, 2158, 10109, 11869, 11947, 20218, 23738, 23894, 76277, 131417, 152554, 262834, 839047, 991601, 1678094, 1983202, 10907611, 21815222]

約数ペア:

[(1, 21815222), (2, 10907611), (11, 1983202), (13, 1678094), (22, 991601), (26, 839047), (83, 262834), (143, 152554), (166, 131417), (286, 76277), (913, 23894), (919, 23738), (1079, 20218), (1826, 11947), (1838, 11869), (2158, 10109)]