21041872

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57179}}^1$

素因数の和:57210

約数の個数: 20

約数和(自身を含む): 42541920

約数和(自身を除く): 21500048

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57179, 114358, 228716, 457432, 914864, 1315117, 2630234, 5260468, 10520936, 21041872]

約数ペア:

[(1, 21041872), (2, 10520936), (4, 5260468), (8, 2630234), (16, 1315117), (23, 914864), (46, 457432), (92, 228716), (184, 114358), (368, 57179)]