21264788

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{6247}}^1$

素因数の和:6311

約数の個数: 24

約数和(自身を含む): 39887232

約数和(自身を除く): 18622444

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 851, 1702, 3404, 6247, 12494, 24988, 143681, 231139, 287362, 462278, 574724, 924556, 5316197, 10632394, 21264788]

約数ペア:

[(1, 21264788), (2, 10632394), (4, 5316197), (23, 924556), (37, 574724), (46, 462278), (74, 287362), (92, 231139), (148, 143681), (851, 24988), (1702, 12494), (3404, 6247)]