21552311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5011}}^1$

素因数の和:5062

約数の個数: 16

約数和(自身を含む): 25982208

約数和(自身を除く): 4429897

約数列:

[1, 11, 17, 23, 187, 253, 391, 4301, 5011, 55121, 85187, 115253, 937057, 1267783, 1959301, 21552311]

約数ペア:

[(1, 21552311), (11, 1959301), (17, 1267783), (23, 937057), (187, 115253), (253, 85187), (391, 55121), (4301, 5011)]