21699088

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{17167}}^1$

素因数の和:17254

約数の個数: 20

約数和(自身を含む): 42576640

約数和(自身を除く): 20877552

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 17167, 34334, 68668, 137336, 274672, 1356193, 2712386, 5424772, 10849544, 21699088]

約数ペア:

[(1, 21699088), (2, 10849544), (4, 5424772), (8, 2712386), (16, 1356193), (79, 274672), (158, 137336), (316, 68668), (632, 34334), (1264, 17167)]