21888218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{5209}}^1$

素因数の和:5413

約数の個数: 16

約数和(自身を含む): 36011520

約数和(自身を除く): 14123302

約数列:

[1, 2, 11, 22, 191, 382, 2101, 4202, 5209, 10418, 57299, 114598, 994919, 1989838, 10944109, 21888218]

約数ペア:

[(1, 21888218), (2, 10944109), (11, 1989838), (22, 994919), (191, 114598), (382, 57299), (2101, 10418), (4202, 5209)]