21201478521

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1\times {\mathrm{161731}}^1$

素因数の和:162952

約数の個数: 16

約数和(自身を含む): 29057418048

約数和(自身を除く): 7855939527

約数列:

[1, 3, 37, 111, 1181, 3543, 43697, 131091, 161731, 485193, 5984047, 17952141, 191004311, 573012933, 7067159507, 21201478521]

約数ペア:

[(1, 21201478521), (3, 7067159507), (37, 573012933), (111, 191004311), (1181, 17952141), (3543, 5984047), (43697, 485193), (131091, 161731)]