21450033

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19697}}^1$

素因数の和:19725

約数の個数: 18

約数和(自身を含む): 34057842

約数和(自身を除く): 12607809

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 19697, 59091, 177273, 216667, 650001, 1950003, 2383337, 7150011, 21450033]

約数ペア:

[(1, 21450033), (3, 7150011), (9, 2383337), (11, 1950003), (33, 650001), (99, 216667), (121, 177273), (363, 59091), (1089, 19697)]