21000686695

素因数分解:

$5^1\times {\mathrm{67}}^2\times {\mathrm{935651}}^1$

素因数の和:935790

約数の個数: 12

約数和(自身を含む): 25582596984

約数和(自身を除く): 4581910289

約数列:

[1, 5, 67, 335, 4489, 22445, 935651, 4678255, 62688617, 313443085, 4200137339, 21000686695]

約数ペア:

[(1, 21000686695), (5, 4200137339), (67, 313443085), (335, 62688617), (4489, 4678255), (22445, 935651)]