21781342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{1301}}^1$

素因数の和:2075

約数の個数: 16

約数和(自身を含む): 35716464

約数和(自身を除く): 13935122

約数列:

[1, 2, 11, 22, 761, 1301, 1522, 2602, 8371, 14311, 16742, 28622, 990061, 1980122, 10890671, 21781342]

約数ペア:

[(1, 21781342), (2, 10890671), (11, 1980122), (22, 990061), (761, 28622), (1301, 16742), (1522, 14311), (2602, 8371)]