21000547718

素因数分解:

$2^1\times {\mathrm{1091}}^1\times {\mathrm{1171}}^1\times {\mathrm{8219}}^1$

素因数の和:10483

約数の個数: 16

約数和(自身を含む): 31560459840

約数和(自身を除く): 10559912122

約数列:

[1, 2, 1091, 1171, 2182, 2342, 8219, 16438, 1277561, 2555122, 8966929, 9624449, 17933858, 19248898, 10500273859, 21000547718]

約数ペア:

[(1, 21000547718), (2, 10500273859), (1091, 19248898), (1171, 17933858), (2182, 9624449), (2342, 8966929), (8219, 2555122), (16438, 1277561)]