21000906422

素因数分解:

$2^1\times {\mathrm{5323}}^1\times {\mathrm{1972657}}^1$

素因数の和:1977982

約数の個数: 8

約数和(自身を含む): 31507293576

約数和(自身を除く): 10506387154

約数列:

[1, 2, 5323, 10646, 1972657, 3945314, 10500453211, 21000906422]

約数ペア:

[(1, 21000906422), (2, 10500453211), (5323, 3945314), (10646, 1972657)]