21325744

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121169}}^1$

素因数の和:121188

約数の個数: 20

約数和(自身を含む): 45075240

約数和(自身を除く): 23749496

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121169, 242338, 484676, 969352, 1332859, 1938704, 2665718, 5331436, 10662872, 21325744]

約数ペア:

[(1, 21325744), (2, 10662872), (4, 5331436), (8, 2665718), (11, 1938704), (16, 1332859), (22, 969352), (44, 484676), (88, 242338), (176, 121169)]