21028470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700949}}^1$

素因数の和:700959

約数の個数: 16

約数和(自身を含む): 50468400

約数和(自身を除く): 29439930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700949, 1401898, 2102847, 3504745, 4205694, 7009490, 10514235, 21028470]

約数ペア:

[(1, 21028470), (2, 10514235), (3, 7009490), (5, 4205694), (6, 3504745), (10, 2102847), (15, 1401898), (30, 700949)]