21945772

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{907}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 40271616

約数和(自身を除く): 18325844

約数列:

[1, 2, 4, 23, 46, 92, 263, 526, 907, 1052, 1814, 3628, 6049, 12098, 20861, 24196, 41722, 83444, 238541, 477082, 954164, 5486443, 10972886, 21945772]

約数ペア:

[(1, 21945772), (2, 10972886), (4, 5486443), (23, 954164), (46, 477082), (92, 238541), (263, 83444), (526, 41722), (907, 24196), (1052, 20861), (1814, 12098), (3628, 6049)]