21043060

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5813}}^1$

素因数の和:6003

約数の個数: 24

約数和(自身を含む): 44442216

約数和(自身を除く): 23399156

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 5813, 11626, 23252, 29065, 58130, 116260, 1052153, 2104306, 4208612, 5260765, 10521530, 21043060]

約数ペア:

[(1, 21043060), (2, 10521530), (4, 5260765), (5, 4208612), (10, 2104306), (20, 1052153), (181, 116260), (362, 58130), (724, 29065), (905, 23252), (1810, 11626), (3620, 5813)]