21759386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1543}}^1$

素因数の和:2197

約数の個数: 16

約数和(自身を含む): 35684928

約数和(自身を除く): 13925542

約数列:

[1, 2, 11, 22, 641, 1282, 1543, 3086, 7051, 14102, 16973, 33946, 989063, 1978126, 10879693, 21759386]

約数ペア:

[(1, 21759386), (2, 10879693), (11, 1978126), (22, 989063), (641, 33946), (1282, 16973), (1543, 14102), (3086, 7051)]