21054303

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{14713}}^1$

素因数の和:14775

約数の個数: 16

約数和(自身を含む): 31782240

約数和(自身を除く): 10727937

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 14713, 44139, 132417, 397251, 779789, 2339367, 7018101, 21054303]

約数ペア:

[(1, 21054303), (3, 7018101), (9, 2339367), (27, 779789), (53, 397251), (159, 132417), (477, 44139), (1431, 14713)]