21393317

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 24668160

約数和(自身を除く): 3274843

約数列:

[1, 11, 31, 43, 341, 473, 1333, 1459, 14663, 16049, 45229, 62737, 497519, 690107, 1944847, 21393317]

約数ペア:

[(1, 21393317), (11, 1944847), (31, 690107), (43, 497519), (341, 62737), (473, 45229), (1333, 16049), (1459, 14663)]