21382653

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5347}}^1$

素因数の和:5424

約数の個数: 16

約数和(自身を含む): 30119936

約数和(自身を除く): 8737283

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 5347, 16041, 165757, 229921, 497271, 689763, 7127551, 21382653]

約数ペア:

[(1, 21382653), (3, 7127551), (31, 689763), (43, 497271), (93, 229921), (129, 165757), (1333, 16041), (3999, 5347)]