21340908

素因数分解:

$2^2\times 3^4\times {\mathrm{65867}}^1$

素因数の和:65883

約数の個数: 30

約数和(自身を含む): 55790196

約数和(自身を除く): 34449288

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65867, 131734, 197601, 263468, 395202, 592803, 790404, 1185606, 1778409, 2371212, 3556818, 5335227, 7113636, 10670454, 21340908]

約数ペア:

[(1, 21340908), (2, 10670454), (3, 7113636), (4, 5335227), (6, 3556818), (9, 2371212), (12, 1778409), (18, 1185606), (27, 790404), (36, 592803), (54, 395202), (81, 263468), (108, 197601), (162, 131734), (324, 65867)]