21808698

素因数分解:

$2^1\times 3^1\times {\mathrm{409}}^1\times {\mathrm{8887}}^1$

素因数の和:9301

約数の個数: 16

約数和(自身を含む): 43728960

約数和(自身を除く): 21920262

約数列:

[1, 2, 3, 6, 409, 818, 1227, 2454, 8887, 17774, 26661, 53322, 3634783, 7269566, 10904349, 21808698]

約数ペア:

[(1, 21808698), (2, 10904349), (3, 7269566), (6, 3634783), (409, 53322), (818, 26661), (1227, 17774), (2454, 8887)]