21861465

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9283}}^1$

素因数の和:9448

約数の個数: 16

約数和(自身を含む): 35204928

約数和(自身を除く): 13343463

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 9283, 27849, 46415, 139245, 1457431, 4372293, 7287155, 21861465]

約数ペア:

[(1, 21861465), (3, 7287155), (5, 4372293), (15, 1457431), (157, 139245), (471, 46415), (785, 27849), (2355, 9283)]