21798035

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32779}}^1$

素因数の和:32810

約数の個数: 16

約数和(自身を含む): 31468800

約数和(自身を除く): 9670765

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 32779, 163895, 229453, 622801, 1147265, 3114005, 4359607, 21798035]

約数ペア:

[(1, 21798035), (5, 4359607), (7, 3114005), (19, 1147265), (35, 622801), (95, 229453), (133, 163895), (665, 32779)]