21949873

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1097}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 25614144

約数和(自身を除く): 3664271

約数列:

[1, 11, 17, 107, 187, 1097, 1177, 1819, 12067, 18649, 20009, 117379, 205139, 1291169, 1995443, 21949873]

約数ペア:

[(1, 21949873), (11, 1995443), (17, 1291169), (107, 205139), (187, 117379), (1097, 20009), (1177, 18649), (1819, 12067)]