21533666

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2087}}^1$

素因数の和:2174

約数の個数: 32

約数和(自身を含む): 40891392

約数和(自身を除く): 19357726

約数列:

[1, 2, 7, 11, 14, 22, 67, 77, 134, 154, 469, 737, 938, 1474, 2087, 4174, 5159, 10318, 14609, 22957, 29218, 45914, 139829, 160699, 279658, 321398, 978803, 1538119, 1957606, 3076238, 10766833, 21533666]

約数ペア:

[(1, 21533666), (2, 10766833), (7, 3076238), (11, 1957606), (14, 1538119), (22, 978803), (67, 321398), (77, 279658), (134, 160699), (154, 139829), (469, 45914), (737, 29218), (938, 22957), (1474, 14609), (2087, 10318), (4174, 5159)]