21918862

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{68071}}^1$

素因数の和:68103

約数の個数: 16

約数和(自身を含む): 39209472

約数和(自身を除く): 17290610

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 68071, 136142, 476497, 952994, 1565633, 3131266, 10959431, 21918862]

約数ペア:

[(1, 21918862), (2, 10959431), (7, 3131266), (14, 1565633), (23, 952994), (46, 476497), (161, 136142), (322, 68071)]