21270435

素因数分解:

$3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1723}}^1$

素因数の和:2554

約数の個数: 16

約数和(自身を含む): 34093824

約数和(自身を除く): 12823389

約数列:

[1, 3, 5, 15, 823, 1723, 2469, 4115, 5169, 8615, 12345, 25845, 1418029, 4254087, 7090145, 21270435]

約数ペア:

[(1, 21270435), (3, 7090145), (5, 4254087), (15, 1418029), (823, 25845), (1723, 12345), (2469, 8615), (4115, 5169)]