21461429

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 25611168

約数和(自身を除く): 4149739

約数列:

[1, 11, 17, 43, 157, 187, 289, 473, 731, 1727, 2669, 3179, 6751, 8041, 12427, 29359, 45373, 74261, 114767, 136697, 499103, 1262437, 1951039, 21461429]

約数ペア:

[(1, 21461429), (11, 1951039), (17, 1262437), (43, 499103), (157, 136697), (187, 114767), (289, 74261), (473, 45373), (731, 29359), (1727, 12427), (2669, 8041), (3179, 6751)]