21918927

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 29691360

約数和(自身を除く): 7772433

約数列:

[1, 3, 157, 173, 269, 471, 519, 807, 27161, 42233, 46537, 81483, 126699, 139611, 7306309, 21918927]

約数ペア:

[(1, 21918927), (3, 7306309), (157, 139611), (173, 126699), (269, 81483), (471, 46537), (519, 42233), (807, 27161)]