21888591

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5851}}^1$

素因数の和:5926

約数の個数: 16

約数和(自身を含む): 30898560

約数和(自身を除く): 9009969

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5851, 17553, 169679, 251593, 509037, 754779, 7296197, 21888591]

約数ペア:

[(1, 21888591), (3, 7296197), (29, 754779), (43, 509037), (87, 251593), (129, 169679), (1247, 17553), (3741, 5851)]