21908427

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{14813}}^1$

素因数の和:14862

約数の個数: 16

約数和(自身を含む): 31998240

約数和(自身を除く): 10089813

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 14813, 44439, 251821, 429577, 755463, 1288731, 7302809, 21908427]

約数ペア:

[(1, 21908427), (3, 7302809), (17, 1288731), (29, 755463), (51, 429577), (87, 251821), (493, 44439), (1479, 14813)]