21683199

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1931}}^1$

素因数の和:2150

約数の個数: 16

約数和(自身を含む): 30602880

約数和(自身を除く): 8919681

約数列:

[1, 3, 19, 57, 197, 591, 1931, 3743, 5793, 11229, 36689, 110067, 380407, 1141221, 7227733, 21683199]

約数ペア:

[(1, 21683199), (3, 7227733), (19, 1141221), (57, 380407), (197, 110067), (591, 36689), (1931, 11229), (3743, 5793)]