21727959

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{14009}}^1$

素因数の和:14070

約数の個数: 16

約数和(自身を含む): 32279040

約数和(自身を除く): 10551081

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 14009, 42027, 154099, 462297, 658423, 1975269, 7242653, 21727959]

約数ペア:

[(1, 21727959), (3, 7242653), (11, 1975269), (33, 658423), (47, 462297), (141, 154099), (517, 42027), (1551, 14009)]