21770291802

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{518340281}}^1$

素因数の和:518340293

約数の個数: 16

約数和(自身を含む): 49760667072

約数和(自身を除く): 27990375270

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 518340281, 1036680562, 1555020843, 3110041686, 3628381967, 7256763934, 10885145901, 21770291802]

約数ペア:

[(1, 21770291802), (2, 10885145901), (3, 7256763934), (6, 3628381967), (7, 3110041686), (14, 1555020843), (21, 1036680562), (42, 518340281)]