21232783

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4013}}^1$

素因数の和:4074

約数の個数: 16

約数和(自身を含む): 25625376

約数和(自身を除く): 4392593

約数列:

[1, 11, 13, 37, 143, 407, 481, 4013, 5291, 44143, 52169, 148481, 573859, 1633291, 1930253, 21232783]

約数ペア:

[(1, 21232783), (11, 1930253), (13, 1633291), (37, 573859), (143, 148481), (407, 52169), (481, 44143), (4013, 5291)]