21055998

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{25247}}^1$

素因数の和:25391

約数の個数: 16

約数和(自身を含む): 42416640

約数和(自身を除く): 21360642

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 25247, 50494, 75741, 151482, 3509333, 7018666, 10527999, 21055998]

約数ペア:

[(1, 21055998), (2, 10527999), (3, 7018666), (6, 3509333), (139, 151482), (278, 75741), (417, 50494), (834, 25247)]