21962079

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 35498736

約数和(自身を除く): 13536657

約数列:

[1, 3, 9, 17, 23, 51, 69, 79, 153, 207, 237, 391, 711, 1173, 1343, 1817, 3519, 4029, 5451, 6241, 12087, 16353, 18723, 30889, 56169, 92667, 106097, 143543, 278001, 318291, 430629, 954873, 1291887, 2440231, 7320693, 21962079]

約数ペア:

[(1, 21962079), (3, 7320693), (9, 2440231), (17, 1291887), (23, 954873), (51, 430629), (69, 318291), (79, 278001), (153, 143543), (207, 106097), (237, 92667), (391, 56169), (711, 30889), (1173, 18723), (1343, 16353), (1817, 12087), (3519, 6241), (4029, 5451)]