21294522

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{2837}}^1$

素因数の和:2987

約数の個数: 32

約数和(自身を含む): 47678400

約数和(自身を除く): 26383878

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 2837, 3753, 5674, 7506, 8511, 17022, 25533, 51066, 76599, 153198, 394343, 788686, 1183029, 2366058, 3549087, 7098174, 10647261, 21294522]

約数ペア:

[(1, 21294522), (2, 10647261), (3, 7098174), (6, 3549087), (9, 2366058), (18, 1183029), (27, 788686), (54, 394343), (139, 153198), (278, 76599), (417, 51066), (834, 25533), (1251, 17022), (2502, 8511), (2837, 7506), (3753, 5674)]