21000304854

素因数分解:

$2^1\times 3^2\times {\mathrm{1166683603}}^1$

素因数の和:1166683611

約数の個数: 12

約数和(自身を含む): 45500660556

約数和(自身を除く): 24500355702

約数列:

[1, 2, 3, 6, 9, 18, 1166683603, 2333367206, 3500050809, 7000101618, 10500152427, 21000304854]

約数ペア:

[(1, 21000304854), (2, 10500152427), (3, 7000101618), (6, 3500050809), (9, 2333367206), (18, 1166683603)]