21521569058

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{139571}}^1$

素因数の和:139790

約数の個数: 32

約数和(自身を含む): 36257455872

約数和(自身を除く): 14735886814

約数列:

[1, 2, 11, 22, 43, 86, 163, 326, 473, 946, 1793, 3586, 7009, 14018, 77099, 139571, 154198, 279142, 1535281, 3070562, 6001553, 12003106, 22750073, 45500146, 66017083, 132034166, 250250803, 500501606, 978253139, 1956506278, 10760784529, 21521569058]

約数ペア:

[(1, 21521569058), (2, 10760784529), (11, 1956506278), (22, 978253139), (43, 500501606), (86, 250250803), (163, 132034166), (326, 66017083), (473, 45500146), (946, 22750073), (1793, 12003106), (3586, 6001553), (7009, 3070562), (14018, 1535281), (77099, 279142), (139571, 154198)]