21306071811

素因数分解:

$3^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1\times {\mathrm{137447}}^1$

素因数の和:137930

約数の個数: 16

約数和(自身を含む): 28672752384

約数和(自身を除く): 7366680573

約数列:

[1, 3, 163, 317, 489, 951, 51671, 137447, 155013, 412341, 22403861, 43570699, 67211583, 130712097, 7102023937, 21306071811]

約数ペア:

[(1, 21306071811), (3, 7102023937), (163, 130712097), (317, 67211583), (489, 43570699), (951, 22403861), (51671, 412341), (137447, 155013)]