21817736

素因数分解:

$2^3\times {\mathrm{569}}^1\times {\mathrm{4793}}^1$

素因数の和:5368

約数の個数: 16

約数和(自身を含む): 40988700

約数和(自身を除く): 19170964

約数列:

[1, 2, 4, 8, 569, 1138, 2276, 4552, 4793, 9586, 19172, 38344, 2727217, 5454434, 10908868, 21817736]

約数ペア:

[(1, 21817736), (2, 10908868), (4, 5454434), (8, 2727217), (569, 38344), (1138, 19172), (2276, 9586), (4552, 4793)]