21103670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2927}}^1$

素因数の和:3044

約数の個数: 32

約数和(自身を含む): 43849728

約数和(自身を除く): 22746058

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2927, 3605, 5854, 7210, 14635, 20489, 29270, 40978, 102445, 204890, 301481, 602962, 1507405, 2110367, 3014810, 4220734, 10551835, 21103670]

約数ペア:

[(1, 21103670), (2, 10551835), (5, 4220734), (7, 3014810), (10, 2110367), (14, 1507405), (35, 602962), (70, 301481), (103, 204890), (206, 102445), (515, 40978), (721, 29270), (1030, 20489), (1442, 14635), (2927, 7210), (3605, 5854)]