21243291

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1973}}^1$

素因数の和:2110

約数の個数: 16

約数和(自身を含む): 29404704

約数和(自身を除く): 8161413

約数列:

[1, 3, 37, 97, 111, 291, 1973, 3589, 5919, 10767, 73001, 191381, 219003, 574143, 7081097, 21243291]

約数ペア:

[(1, 21243291), (3, 7081097), (37, 574143), (97, 219003), (111, 191381), (291, 73001), (1973, 10767), (3589, 5919)]