21243070

素因数分解:

$2^1\times 5^1\times {\mathrm{859}}^1\times {\mathrm{2473}}^1$

素因数の和:3339

約数の個数: 16

約数和(自身を含む): 38297520

約数和(自身を除く): 17054450

約数列:

[1, 2, 5, 10, 859, 1718, 2473, 4295, 4946, 8590, 12365, 24730, 2124307, 4248614, 10621535, 21243070]

約数ペア:

[(1, 21243070), (2, 10621535), (5, 4248614), (10, 2124307), (859, 24730), (1718, 12365), (2473, 8590), (4295, 4946)]