21121369918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1063}}^1\times {\mathrm{903163}}^1$

素因数の和:904239

約数の個数: 16

約数和(自身を含む): 34594793856

約数和(自身を除く): 13473423938

約数列:

[1, 2, 11, 22, 1063, 2126, 11693, 23386, 903163, 1806326, 9934793, 19869586, 960062269, 1920124538, 10560684959, 21121369918]

約数ペア:

[(1, 21121369918), (2, 10560684959), (11, 1920124538), (22, 960062269), (1063, 19869586), (2126, 9934793), (11693, 1806326), (23386, 903163)]