21305304

素因数分解:

$2^3\times 3^2\times {\mathrm{499}}^1\times {\mathrm{593}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 57915000

約数和(自身を除く): 36609696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 499, 593, 998, 1186, 1497, 1779, 1996, 2372, 2994, 3558, 3992, 4491, 4744, 5337, 5988, 7116, 8982, 10674, 11976, 14232, 17964, 21348, 35928, 42696, 295907, 591814, 887721, 1183628, 1775442, 2367256, 2663163, 3550884, 5326326, 7101768, 10652652, 21305304]

約数ペア:

[(1, 21305304), (2, 10652652), (3, 7101768), (4, 5326326), (6, 3550884), (8, 2663163), (9, 2367256), (12, 1775442), (18, 1183628), (24, 887721), (36, 591814), (72, 295907), (499, 42696), (593, 35928), (998, 21348), (1186, 17964), (1497, 14232), (1779, 11976), (1996, 10674), (2372, 8982), (2994, 7116), (3558, 5988), (3992, 5337), (4491, 4744)]