21168878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1499}}^1$

素因数の和:1831

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 12095122

約数列:

[1, 2, 23, 46, 307, 614, 1499, 2998, 7061, 14122, 34477, 68954, 460193, 920386, 10584439, 21168878]

約数ペア:

[(1, 21168878), (2, 10584439), (23, 920386), (46, 460193), (307, 68954), (614, 34477), (1499, 14122), (2998, 7061)]