21921645

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{63541}}^1$

素因数の和:63572

約数の個数: 16

約数和(自身を含む): 36600192

約数和(自身を除く): 14678547

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 63541, 190623, 317705, 953115, 1461443, 4384329, 7307215, 21921645]

約数ペア:

[(1, 21921645), (3, 7307215), (5, 4384329), (15, 1461443), (23, 953115), (69, 317705), (115, 190623), (345, 63541)]