21212277

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13417}}^1$

素因数の和:13468

約数の個数: 16

約数和(自身を含む): 30915072

約数和(自身を除く): 9702795

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 13417, 40251, 228089, 415927, 684267, 1247781, 7070759, 21212277]

約数ペア:

[(1, 21212277), (3, 7070759), (17, 1247781), (31, 684267), (51, 415927), (93, 228089), (527, 40251), (1581, 13417)]