21206548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{28351}}^1$

素因数の和:28383

約数の個数: 24

約数和(自身を含む): 42868224

約数和(自身を除く): 21661676

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 28351, 56702, 113404, 311861, 481967, 623722, 963934, 1247444, 1927868, 5301637, 10603274, 21206548]

約数ペア:

[(1, 21206548), (2, 10603274), (4, 5301637), (11, 1927868), (17, 1247444), (22, 963934), (34, 623722), (44, 481967), (68, 311861), (187, 113404), (374, 56702), (748, 28351)]