21996656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124981}}^1$

素因数の和:125000

約数の個数: 20

約数和(自身を含む): 46493304

約数和(自身を除く): 24496648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124981, 249962, 499924, 999848, 1374791, 1999696, 2749582, 5499164, 10998328, 21996656]

約数ペア:

[(1, 21996656), (2, 10998328), (4, 5499164), (8, 2749582), (11, 1999696), (16, 1374791), (22, 999848), (44, 499924), (88, 249962), (176, 124981)]