21270183

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1531}}^1$

素因数の和:1966

約数の個数: 16

約数和(自身を含む): 31032192

約数和(自身を除く): 9762009

約数列:

[1, 3, 11, 33, 421, 1263, 1531, 4593, 4631, 13893, 16841, 50523, 644551, 1933653, 7090061, 21270183]

約数ペア:

[(1, 21270183), (3, 7090061), (11, 1933653), (33, 644551), (421, 50523), (1263, 16841), (1531, 13893), (4593, 4631)]