21991086

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{93979}}^1$

素因数の和:94000

約数の個数: 24

約数和(自身を含む): 51313080

約数和(自身を除く): 29321994

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 93979, 187958, 281937, 563874, 845811, 1221727, 1691622, 2443454, 3665181, 7330362, 10995543, 21991086]

約数ペア:

[(1, 21991086), (2, 10995543), (3, 7330362), (6, 3665181), (9, 2443454), (13, 1691622), (18, 1221727), (26, 845811), (39, 563874), (78, 281937), (117, 187958), (234, 93979)]