21985930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5623}}^1$

素因数の和:5670

約数の個数: 32

約数和(自身を含む): 43732224

約数和(自身を除く): 21746294

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5623, 11246, 28115, 56230, 95591, 129329, 191182, 258658, 477955, 646645, 955910, 1293290, 2198593, 4397186, 10992965, 21985930]

約数ペア:

[(1, 21985930), (2, 10992965), (5, 4397186), (10, 2198593), (17, 1293290), (23, 955910), (34, 646645), (46, 477955), (85, 258658), (115, 191182), (170, 129329), (230, 95591), (391, 56230), (782, 28115), (1955, 11246), (3910, 5623)]