21367005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129497}}^1$

素因数の和:129516

約数の個数: 16

約数和(自身を含む): 37295424

約数和(自身を除く): 15928419

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 129497, 388491, 647485, 1424467, 1942455, 4273401, 7122335, 21367005]

約数ペア:

[(1, 21367005), (3, 7122335), (5, 4273401), (11, 1942455), (15, 1424467), (33, 647485), (55, 388491), (165, 129497)]