21704608

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{7621}}^1$

素因数の和:7720

約数の個数: 24

約数和(自身を含む): 43216740

約数和(自身を除く): 21512132

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7621, 15242, 30484, 60968, 121936, 243872, 678269, 1356538, 2713076, 5426152, 10852304, 21704608]

約数ペア:

[(1, 21704608), (2, 10852304), (4, 5426152), (8, 2713076), (16, 1356538), (32, 678269), (89, 243872), (178, 121936), (356, 60968), (712, 30484), (1424, 15242), (2848, 7621)]