21576829

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 23272704

約数和(自身を除く): 1695875

約数列:

[1, 23, 71, 73, 181, 1633, 1679, 4163, 5183, 12851, 13213, 119209, 295573, 303899, 938123, 21576829]

約数ペア:

[(1, 21576829), (23, 938123), (71, 303899), (73, 295573), (181, 119209), (1633, 13213), (1679, 12851), (4163, 5183)]