21222894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 53747712

約数和(自身を除く): 32524818

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 213, 231, 426, 462, 497, 647, 781, 994, 1294, 1491, 1562, 1941, 2343, 2982, 3882, 4529, 4686, 5467, 7117, 9058, 10934, 13587, 14234, 16401, 21351, 27174, 32802, 42702, 45937, 49819, 91874, 99638, 137811, 149457, 275622, 298914, 321559, 505307, 643118, 964677, 1010614, 1515921, 1929354, 3031842, 3537149, 7074298, 10611447, 21222894]

約数ペア:

[(1, 21222894), (2, 10611447), (3, 7074298), (6, 3537149), (7, 3031842), (11, 1929354), (14, 1515921), (21, 1010614), (22, 964677), (33, 643118), (42, 505307), (66, 321559), (71, 298914), (77, 275622), (142, 149457), (154, 137811), (213, 99638), (231, 91874), (426, 49819), (462, 45937), (497, 42702), (647, 32802), (781, 27174), (994, 21351), (1294, 16401), (1491, 14234), (1562, 13587), (1941, 10934), (2343, 9058), (2982, 7117), (3882, 5467), (4529, 4686)]