21211801

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2341}}^1$

素因数の和:2412

約数の個数: 16

約数和(自身を含む): 24787728

約数和(自身を除く): 3575927

約数列:

[1, 13, 17, 41, 221, 533, 697, 2341, 9061, 30433, 39797, 95981, 517361, 1247753, 1631677, 21211801]

約数ペア:

[(1, 21211801), (13, 1631677), (17, 1247753), (41, 517361), (221, 95981), (533, 39797), (697, 30433), (2341, 9061)]