21267088

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57791}}^1$

素因数の和:57822

約数の個数: 20

約数和(自身を含む): 42997248

約数和(自身を除く): 21730160

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57791, 115582, 231164, 462328, 924656, 1329193, 2658386, 5316772, 10633544, 21267088]

約数ペア:

[(1, 21267088), (2, 10633544), (4, 5316772), (8, 2658386), (16, 1329193), (23, 924656), (46, 462328), (92, 231164), (184, 115582), (368, 57791)]