21801801

素因数分解:

$3^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{1481}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 33291648

約数和(自身を除く): 11489847

約数列:

[1, 3, 7, 21, 701, 1481, 2103, 4443, 4907, 10367, 14721, 31101, 1038181, 3114543, 7267267, 21801801]

約数ペア:

[(1, 21801801), (3, 7267267), (7, 3114543), (21, 1038181), (701, 31101), (1481, 14721), (2103, 10367), (4443, 4907)]