21681603

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 33313280

約数和(自身を除く): 11631677

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 927, 1231, 1957, 3693, 5871, 11079, 17613, 23389, 70167, 126793, 210501, 380379, 1141137, 2409067, 7227201, 21681603]

約数ペア:

[(1, 21681603), (3, 7227201), (9, 2409067), (19, 1141137), (57, 380379), (103, 210501), (171, 126793), (309, 70167), (927, 23389), (1231, 17613), (1957, 11079), (3693, 5871)]