21075541

素因数分解:

${\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:856

約数の個数: 12

約数和(自身を含む): 22555200

約数和(自身を除く): 1479659

約数列:

[1, 19, 79, 361, 739, 1501, 14041, 28519, 58381, 266779, 1109239, 21075541]

約数ペア:

[(1, 21075541), (19, 1109239), (79, 266779), (361, 58381), (739, 28519), (1501, 14041)]