21256922

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8719}}^1$

素因数の和:8797

約数の個数: 16

約数和(自身を含む): 33903360

約数和(自身を除く): 12646438

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8719, 17438, 200537, 401074, 462107, 924214, 10628461, 21256922]

約数ペア:

[(1, 21256922), (2, 10628461), (23, 924214), (46, 462107), (53, 401074), (106, 200537), (1219, 17438), (2438, 8719)]