21307429

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1367}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 3973211

約数列:

[1, 11, 13, 109, 143, 1199, 1367, 1417, 15037, 15587, 17771, 149003, 195481, 1639033, 1937039, 21307429]

約数ペア:

[(1, 21307429), (11, 1937039), (13, 1639033), (109, 195481), (143, 149003), (1199, 17771), (1367, 15587), (1417, 15037)]