21887170

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1063}}^1$

素因数の和:1170

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19481150

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 1063, 2059, 2126, 4118, 5315, 10295, 10630, 20590, 30827, 61654, 75473, 150946, 154135, 308270, 377365, 754730, 2188717, 4377434, 10943585, 21887170]

約数ペア:

[(1, 21887170), (2, 10943585), (5, 4377434), (10, 2188717), (29, 754730), (58, 377365), (71, 308270), (142, 154135), (145, 150946), (290, 75473), (355, 61654), (710, 30827), (1063, 20590), (2059, 10630), (2126, 10295), (4118, 5315)]