21419926

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1543}}^1$

素因数の和:2187

約数の個数: 16

約数和(自身を含む): 35129088

約数和(自身を除く): 13709162

約数列:

[1, 2, 11, 22, 631, 1262, 1543, 3086, 6941, 13882, 16973, 33946, 973633, 1947266, 10709963, 21419926]

約数ペア:

[(1, 21419926), (2, 10709963), (11, 1947266), (22, 973633), (631, 33946), (1262, 16973), (1543, 13882), (3086, 6941)]