21260628

素因数分解:

$2^2\times 3^2\times {\mathrm{590573}}^1$

素因数の和:590583

約数の個数: 18

約数和(自身を含む): 53742234

約数和(自身を除く): 32481606

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 590573, 1181146, 1771719, 2362292, 3543438, 5315157, 7086876, 10630314, 21260628]

約数ペア:

[(1, 21260628), (2, 10630314), (3, 7086876), (4, 5315157), (6, 3543438), (9, 2362292), (12, 1771719), (18, 1181146), (36, 590573)]