21415645

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2551}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 27194112

約数和(自身を除く): 5778467

約数列:

[1, 5, 23, 73, 115, 365, 1679, 2551, 8395, 12755, 58673, 186223, 293365, 931115, 4283129, 21415645]

約数ペア:

[(1, 21415645), (5, 4283129), (23, 931115), (73, 293365), (115, 186223), (365, 58673), (1679, 12755), (2551, 8395)]