21085053

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20611}}^1$

素因数の和:20656

約数の個数: 16

約数和(自身を含む): 31660032

約数和(自身を除く): 10574979

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 20611, 61833, 226721, 638941, 680163, 1916823, 7028351, 21085053]

約数ペア:

[(1, 21085053), (3, 7028351), (11, 1916823), (31, 680163), (33, 638941), (93, 226721), (341, 61833), (1023, 20611)]