21347988

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 53089344

約数和(自身を除く): 31741356

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 227, 454, 461, 681, 908, 922, 1362, 1383, 1844, 2724, 2766, 3859, 5532, 7718, 7837, 11577, 15436, 15674, 23154, 23511, 31348, 46308, 47022, 94044, 104647, 209294, 313941, 418588, 627882, 1255764, 1778999, 3557998, 5336997, 7115996, 10673994, 21347988]

約数ペア:

[(1, 21347988), (2, 10673994), (3, 7115996), (4, 5336997), (6, 3557998), (12, 1778999), (17, 1255764), (34, 627882), (51, 418588), (68, 313941), (102, 209294), (204, 104647), (227, 94044), (454, 47022), (461, 46308), (681, 31348), (908, 23511), (922, 23154), (1362, 15674), (1383, 15436), (1844, 11577), (2724, 7837), (2766, 7718), (3859, 5532)]