21916935

素因数分解:

$3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1721}}^1$

素因数の和:2015

約数の個数: 24

約数和(自身を含む): 38145744

約数和(自身を除く): 16228809

約数列:

[1, 3, 5, 9, 15, 45, 283, 849, 1415, 1721, 2547, 4245, 5163, 8605, 12735, 15489, 25815, 77445, 487043, 1461129, 2435215, 4383387, 7305645, 21916935]

約数ペア:

[(1, 21916935), (3, 7305645), (5, 4383387), (9, 2435215), (15, 1461129), (45, 487043), (283, 77445), (849, 25815), (1415, 15489), (1721, 12735), (2547, 8605), (4245, 5163)]