21731128

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{44531}}^1$

素因数の和:44598

約数の個数: 16

約数和(自身を含む): 41414760

約数和(自身を除く): 19683632

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 44531, 89062, 178124, 356248, 2716391, 5432782, 10865564, 21731128]

約数ペア:

[(1, 21731128), (2, 10865564), (4, 5432782), (8, 2716391), (61, 356248), (122, 178124), (244, 89062), (488, 44531)]