21520554

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7583}}^1$

素因数の和:7642

約数の個数: 32

約数和(自身を含む): 48052224

約数和(自身を除く): 26531670

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 7583, 15166, 22749, 45498, 83413, 166826, 250239, 326069, 500478, 652138, 978207, 1956414, 3586759, 7173518, 10760277, 21520554]

約数ペア:

[(1, 21520554), (2, 10760277), (3, 7173518), (6, 3586759), (11, 1956414), (22, 978207), (33, 652138), (43, 500478), (66, 326069), (86, 250239), (129, 166826), (258, 83413), (473, 45498), (946, 22749), (1419, 15166), (2838, 7583)]