21767878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{1019}}^1$

素因数の和:2003

約数の個数: 16

約数和(自身を含む): 35691840

約数和(自身を除く): 13923962

約数列:

[1, 2, 11, 22, 971, 1019, 1942, 2038, 10681, 11209, 21362, 22418, 989449, 1978898, 10883939, 21767878]

約数ペア:

[(1, 21767878), (2, 10883939), (11, 1978898), (22, 989449), (971, 22418), (1019, 21362), (1942, 11209), (2038, 10681)]