21071312

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57259}}^1$

素因数の和:57290

約数の個数: 20

約数和(自身を含む): 42601440

約数和(自身を除く): 21530128

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57259, 114518, 229036, 458072, 916144, 1316957, 2633914, 5267828, 10535656, 21071312]

約数ペア:

[(1, 21071312), (2, 10535656), (4, 5267828), (8, 2633914), (16, 1316957), (23, 916144), (46, 458072), (92, 229036), (184, 114518), (368, 57259)]