21079232

素因数分解:

$2^6\times {\mathrm{317}}^1\times {\mathrm{1039}}^1$

素因数の和:1368

約数の個数: 28

約数和(自身を含む): 42001440

約数和(自身を除く): 20922208

約数列:

[1, 2, 4, 8, 16, 32, 64, 317, 634, 1039, 1268, 2078, 2536, 4156, 5072, 8312, 10144, 16624, 20288, 33248, 66496, 329363, 658726, 1317452, 2634904, 5269808, 10539616, 21079232]

約数ペア:

[(1, 21079232), (2, 10539616), (4, 5269808), (8, 2634904), (16, 1317452), (32, 658726), (64, 329363), (317, 66496), (634, 33248), (1039, 20288), (1268, 16624), (2078, 10144), (2536, 8312), (4156, 5072)]