21534694

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:855

約数の個数: 16

約数和(自身を含む): 32844240

約数和(自身を除く): 11309546

約数列:

[1, 2, 109, 173, 218, 346, 571, 1142, 18857, 37714, 62239, 98783, 124478, 197566, 10767347, 21534694]

約数ペア:

[(1, 21534694), (2, 10767347), (109, 197566), (173, 124478), (218, 98783), (346, 62239), (571, 37714), (1142, 18857)]