21516026

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{7963}}^1$

素因数の和:8165

約数の個数: 16

約数和(自身を含む): 37080384

約数和(自身を除く): 15564358

約数列:

[1, 2, 7, 14, 193, 386, 1351, 2702, 7963, 15926, 55741, 111482, 1536859, 3073718, 10758013, 21516026]

約数ペア:

[(1, 21516026), (2, 10758013), (7, 3073718), (14, 1536859), (193, 111482), (386, 55741), (1351, 15926), (2702, 7963)]