21491394518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1\times {\mathrm{956789}}^1$

素因数の和:957823

約数の個数: 16

約数和(自身を含む): 35202217680

約数和(自身を除く): 13710823162

約数列:

[1, 2, 11, 22, 1021, 2042, 11231, 22462, 956789, 1913578, 10524679, 21049358, 976881569, 1953763138, 10745697259, 21491394518]

約数ペア:

[(1, 21491394518), (2, 10745697259), (11, 1953763138), (22, 976881569), (1021, 21049358), (2042, 10524679), (11231, 1913578), (22462, 956789)]