21182546

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{523}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 39840768

約数和(自身を除く): 18658222

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 263, 523, 526, 1046, 1841, 2893, 3661, 3682, 5753, 5786, 7322, 11506, 20251, 40271, 40502, 80542, 137549, 275098, 962843, 1513039, 1925686, 3026078, 10591273, 21182546]

約数ペア:

[(1, 21182546), (2, 10591273), (7, 3026078), (11, 1925686), (14, 1513039), (22, 962843), (77, 275098), (154, 137549), (263, 80542), (523, 40502), (526, 40271), (1046, 20251), (1841, 11506), (2893, 7322), (3661, 5786), (3682, 5753)]