21291246005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{5507}}^1\times {\mathrm{40697}}^1$

素因数の和:46228

約数の個数: 16

約数和(自身を含む): 26899750080

約数和(自身を除く): 5608504075

約数列:

[1, 5, 19, 95, 5507, 27535, 40697, 104633, 203485, 523165, 773243, 3866215, 224118379, 1120591895, 4258249201, 21291246005]

約数ペア:

[(1, 21291246005), (5, 4258249201), (19, 1120591895), (95, 224118379), (5507, 3866215), (27535, 773243), (40697, 523165), (104633, 203485)]