21369195

素因数分解:

$3^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{823}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 37149216

約数和(自身を除く): 15780021

約数列:

[1, 3, 5, 9, 15, 45, 577, 823, 1731, 2469, 2885, 4115, 5193, 7407, 8655, 12345, 25965, 37035, 474871, 1424613, 2374355, 4273839, 7123065, 21369195]

約数ペア:

[(1, 21369195), (3, 7123065), (5, 4273839), (9, 2374355), (15, 1424613), (45, 474871), (577, 37035), (823, 25965), (1731, 12345), (2469, 8655), (2885, 7407), (4115, 5193)]