21971695

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5641}}^1$

素因数の和:5706

約数の個数: 16

約数和(自身を含む): 28435680

約数和(自身を除く): 6463985

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 5641, 28205, 107179, 231281, 535895, 1156405, 4394339, 21971695]

約数ペア:

[(1, 21971695), (5, 4394339), (19, 1156405), (41, 535895), (95, 231281), (205, 107179), (779, 28205), (3895, 5641)]