216273421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{23531}}^1$

素因数の和:23652

約数の個数: 16

約数和(自身を含む): 268829568

約数和(自身を除く): 52556147

約数列:

[1, 7, 13, 91, 101, 707, 1313, 9191, 23531, 164717, 305903, 2141321, 2376631, 16636417, 30896203, 216273421]

約数ペア:

[(1, 216273421), (7, 30896203), (13, 16636417), (91, 2376631), (101, 2141321), (707, 305903), (1313, 164717), (9191, 23531)]