21265758

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{40739}}^1$

素因数の和:40776

約数の個数: 24

約数和(自身を含む): 47665800

約数和(自身を除く): 26400042

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 40739, 81478, 122217, 244434, 366651, 733302, 1181431, 2362862, 3544293, 7088586, 10632879, 21265758]

約数ペア:

[(1, 21265758), (2, 10632879), (3, 7088586), (6, 3544293), (9, 2362862), (18, 1181431), (29, 733302), (58, 366651), (87, 244434), (174, 122217), (261, 81478), (522, 40739)]