21364642

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2039}}^1$

素因数の和:2098

約数の個数: 24

約数和(自身を含む): 35838720

約数和(自身を除く): 14474078

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 2039, 4078, 5239, 10478, 26507, 53014, 63209, 126418, 344591, 689182, 821717, 1643434, 10682321, 21364642]

約数ペア:

[(1, 21364642), (2, 10682321), (13, 1643434), (26, 821717), (31, 689182), (62, 344591), (169, 126418), (338, 63209), (403, 53014), (806, 26507), (2039, 10478), (4078, 5239)]