21975752

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 42509280

約数和(自身を除く): 20533528

約数列:

[1, 2, 4, 8, 43, 86, 172, 193, 331, 344, 386, 662, 772, 1324, 1544, 2648, 8299, 14233, 16598, 28466, 33196, 56932, 63883, 66392, 113864, 127766, 255532, 511064, 2746969, 5493938, 10987876, 21975752]

約数ペア:

[(1, 21975752), (2, 10987876), (4, 5493938), (8, 2746969), (43, 511064), (86, 255532), (172, 127766), (193, 113864), (331, 66392), (344, 63883), (386, 56932), (662, 33196), (772, 28466), (1324, 16598), (1544, 14233), (2648, 8299)]