21312630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{236807}}^1$

素因数の和:236820

約数の個数: 24

約数和(自身を含む): 55413072

約数和(自身を除く): 34100442

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 236807, 473614, 710421, 1184035, 1420842, 2131263, 2368070, 3552105, 4262526, 7104210, 10656315, 21312630]

約数ペア:

[(1, 21312630), (2, 10656315), (3, 7104210), (5, 4262526), (6, 3552105), (9, 2368070), (10, 2131263), (15, 1420842), (18, 1184035), (30, 710421), (45, 473614), (90, 236807)]