21529311

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4657}}^1$

素因数の和:4750

約数の個数: 16

約数和(自身を含む): 30407424

約数和(自身を除く): 8878113

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4623, 4657, 13971, 107111, 312019, 321333, 936057, 7176437, 21529311]

約数ペア:

[(1, 21529311), (3, 7176437), (23, 936057), (67, 321333), (69, 312019), (201, 107111), (1541, 13971), (4623, 4657)]