21963513

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{51197}}^1$

素因数の和:51224

約数の個数: 16

約数和(自身を含む): 34405056

約数和(自身を除く): 12441543

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 51197, 153591, 563167, 665561, 1689501, 1996683, 7321171, 21963513]

約数ペア:

[(1, 21963513), (3, 7321171), (11, 1996683), (13, 1689501), (33, 665561), (39, 563167), (143, 153591), (429, 51197)]