21586466

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 37888128

約数和(自身を除く): 16301662

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 253, 407, 506, 814, 851, 1153, 1702, 2306, 9361, 12683, 18722, 25366, 26519, 42661, 53038, 85322, 291709, 469271, 583418, 938542, 981203, 1962406, 10793233, 21586466]

約数ペア:

[(1, 21586466), (2, 10793233), (11, 1962406), (22, 981203), (23, 938542), (37, 583418), (46, 469271), (74, 291709), (253, 85322), (407, 53038), (506, 42661), (814, 26519), (851, 25366), (1153, 18722), (1702, 12683), (2306, 9361)]