21555677

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8867}}^1$

素因数の和:8908

約数の個数: 16

約数和(自身を含む): 26816832

約数和(自身を除く): 5261155

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8867, 97537, 115271, 150739, 1267981, 1658129, 1959607, 21555677]

約数ペア:

[(1, 21555677), (11, 1959607), (13, 1658129), (17, 1267981), (143, 150739), (187, 115271), (221, 97537), (2431, 8867)]