21000906399

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{5419}}^1\times {\mathrm{117437}}^1$

素因数の和:122870

約数の個数: 16

約数和(自身を含む): 30552670080

約数和(自身を除く): 9551763681

約数列:

[1, 3, 11, 33, 5419, 16257, 59609, 117437, 178827, 352311, 1291807, 3875421, 636391103, 1909173309, 7000302133, 21000906399]

約数ペア:

[(1, 21000906399), (3, 7000302133), (11, 1909173309), (33, 636391103), (5419, 3875421), (16257, 1291807), (59609, 352311), (117437, 178827)]