21998499

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5501}}^1$

素因数の和:5578

約数の個数: 16

約数和(自身を含む): 30987264

約数和(自身を除く): 8988765

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 5501, 16503, 170531, 236543, 511593, 709629, 7332833, 21998499]

約数ペア:

[(1, 21998499), (3, 7332833), (31, 709629), (43, 511593), (93, 236543), (129, 170531), (1333, 16503), (3999, 5501)]