21985792

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{1867}}^1$

素因数の和:1908

約数の個数: 40

約数和(自身を含む): 45863136

約数和(自身を除く): 23877344

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 1867, 2944, 3734, 5888, 7468, 11776, 14936, 29872, 42941, 59744, 85882, 119488, 171764, 238976, 343528, 477952, 687056, 955904, 1374112, 2748224, 5496448, 10992896, 21985792]

約数ペア:

[(1, 21985792), (2, 10992896), (4, 5496448), (8, 2748224), (16, 1374112), (23, 955904), (32, 687056), (46, 477952), (64, 343528), (92, 238976), (128, 171764), (184, 119488), (256, 85882), (368, 59744), (512, 42941), (736, 29872), (1472, 14936), (1867, 11776), (2944, 7468), (3734, 5888)]