21297232

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121007}}^1$

素因数の和:121026

約数の個数: 20

約数和(自身を含む): 45014976

約数和(自身を除く): 23717744

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121007, 242014, 484028, 968056, 1331077, 1936112, 2662154, 5324308, 10648616, 21297232]

約数ペア:

[(1, 21297232), (2, 10648616), (4, 5324308), (8, 2662154), (11, 1936112), (16, 1331077), (22, 968056), (44, 484028), (88, 242014), (176, 121007)]