21860113

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 26339040

約数和(自身を除く): 4478927

約数列:

[1, 11, 17, 29, 139, 187, 319, 493, 841, 1529, 2363, 4031, 5423, 9251, 14297, 25993, 44341, 68527, 116899, 157267, 753797, 1285889, 1987283, 21860113]

約数ペア:

[(1, 21860113), (11, 1987283), (17, 1285889), (29, 753797), (139, 157267), (187, 116899), (319, 68527), (493, 44341), (841, 25993), (1529, 14297), (2363, 9251), (4031, 5423)]