21409938

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{108131}}^1$

素因数の和:108150

約数の個数: 24

約数和(自身を含む): 50605776

約数和(自身を除く): 29195838

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 108131, 216262, 324393, 648786, 973179, 1189441, 1946358, 2378882, 3568323, 7136646, 10704969, 21409938]

約数ペア:

[(1, 21409938), (2, 10704969), (3, 7136646), (6, 3568323), (9, 2378882), (11, 1946358), (18, 1189441), (22, 973179), (33, 648786), (66, 324393), (99, 216262), (198, 108131)]