21967554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12757}}^1$

素因数の和:12810

約数の個数: 32

約数和(自身を含む): 51440256

約数和(自身を除く): 29472702

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12757, 25514, 38271, 76542, 89299, 178598, 267897, 523037, 535794, 1046074, 1569111, 3138222, 3661259, 7322518, 10983777, 21967554]

約数ペア:

[(1, 21967554), (2, 10983777), (3, 7322518), (6, 3661259), (7, 3138222), (14, 1569111), (21, 1046074), (41, 535794), (42, 523037), (82, 267897), (123, 178598), (246, 89299), (287, 76542), (574, 38271), (861, 25514), (1722, 12757)]