21382309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 24393600

約数和(自身を除く): 3011291

約数列:

[1, 13, 29, 43, 377, 559, 1247, 1319, 16211, 17147, 38251, 56717, 497263, 737321, 1644793, 21382309]

約数ペア:

[(1, 21382309), (13, 1644793), (29, 737321), (43, 497263), (377, 56717), (559, 38251), (1247, 17147), (1319, 16211)]