21056776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8803}}^1$

素因数の和:8845

約数の個数: 32

約数和(自身を含む): 44372160

約数和(自身を除く): 23315384

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8803, 17606, 35212, 70424, 114439, 202469, 228878, 404938, 457756, 809876, 915512, 1619752, 2632097, 5264194, 10528388, 21056776]

約数ペア:

[(1, 21056776), (2, 10528388), (4, 5264194), (8, 2632097), (13, 1619752), (23, 915512), (26, 809876), (46, 457756), (52, 404938), (92, 228878), (104, 202469), (184, 114439), (299, 70424), (598, 35212), (1196, 17606), (2392, 8803)]