21390630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{713021}}^1$

素因数の和:713031

約数の個数: 16

約数和(自身を含む): 51337584

約数和(自身を除く): 29946954

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 713021, 1426042, 2139063, 3565105, 4278126, 7130210, 10695315, 21390630]

約数ペア:

[(1, 21390630), (2, 10695315), (3, 7130210), (5, 4278126), (6, 3565105), (10, 2139063), (15, 1426042), (30, 713021)]