21884863

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21863}}^1$

素因数の和:21894

約数の個数: 16

約数和(自身を含む): 29385216

約数和(自身を除く): 7500353

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 21863, 153041, 240493, 284219, 1683451, 1989533, 3126409, 21884863]

約数ペア:

[(1, 21884863), (7, 3126409), (11, 1989533), (13, 1683451), (77, 284219), (91, 240493), (143, 153041), (1001, 21863)]