21235005

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42899}}^1$

素因数の和:42921

約数の個数: 24

約数和(自身を含む): 40154400

約数和(自身を除く): 18919395

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 42899, 128697, 214495, 386091, 471889, 643485, 1415667, 1930455, 2359445, 4247001, 7078335, 21235005]

約数ペア:

[(1, 21235005), (3, 7078335), (5, 4247001), (9, 2359445), (11, 1930455), (15, 1415667), (33, 643485), (45, 471889), (55, 386091), (99, 214495), (165, 128697), (495, 42899)]