21929205

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8969}}^1$

素因数の和:9140

約数の個数: 16

約数和(自身を含む): 35305920

約数和(自身を除く): 13376715

約数列:

[1, 3, 5, 15, 163, 489, 815, 2445, 8969, 26907, 44845, 134535, 1461947, 4385841, 7309735, 21929205]

約数ペア:

[(1, 21929205), (3, 7309735), (5, 4385841), (15, 1461947), (163, 134535), (489, 44845), (815, 26907), (2445, 8969)]