21547806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 31287522

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 103, 119, 206, 238, 293, 309, 357, 586, 618, 714, 721, 879, 1442, 1751, 1758, 2051, 2163, 3502, 4102, 4326, 4981, 5253, 6153, 9962, 10506, 12257, 12306, 14943, 24514, 29886, 30179, 34867, 36771, 60358, 69734, 73542, 90537, 104601, 181074, 209202, 211253, 422506, 513043, 633759, 1026086, 1267518, 1539129, 3078258, 3591301, 7182602, 10773903, 21547806]

約数ペア:

[(1, 21547806), (2, 10773903), (3, 7182602), (6, 3591301), (7, 3078258), (14, 1539129), (17, 1267518), (21, 1026086), (34, 633759), (42, 513043), (51, 422506), (102, 211253), (103, 209202), (119, 181074), (206, 104601), (238, 90537), (293, 73542), (309, 69734), (357, 60358), (586, 36771), (618, 34867), (714, 30179), (721, 29886), (879, 24514), (1442, 14943), (1751, 12306), (1758, 12257), (2051, 10506), (2163, 9962), (3502, 6153), (4102, 5253), (4326, 4981)]