21266608

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120833}}^1$

素因数の和:120852

約数の個数: 20

約数和(自身を含む): 44950248

約数和(自身を除く): 23683640

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120833, 241666, 483332, 966664, 1329163, 1933328, 2658326, 5316652, 10633304, 21266608]

約数ペア:

[(1, 21266608), (2, 10633304), (4, 5316652), (8, 2658326), (11, 1933328), (16, 1329163), (22, 966664), (44, 483332), (88, 241666), (176, 120833)]