21126818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1483}}^1$

素因数の和:1921

約数の個数: 16

約数和(自身を含む): 33657120

約数和(自身を除く): 12530302

約数列:

[1, 2, 17, 34, 419, 838, 1483, 2966, 7123, 14246, 25211, 50422, 621377, 1242754, 10563409, 21126818]

約数ペア:

[(1, 21126818), (2, 10563409), (17, 1242754), (34, 621377), (419, 50422), (838, 25211), (1483, 14246), (2966, 7123)]