21463664

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32719}}^1$

素因数の和:32768

約数の個数: 20

約数和(自身を含む): 42601440

約数和(自身を除く): 21137776

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32719, 65438, 130876, 261752, 523504, 1341479, 2682958, 5365916, 10731832, 21463664]

約数ペア:

[(1, 21463664), (2, 10731832), (4, 5365916), (8, 2682958), (16, 1341479), (41, 523504), (82, 261752), (164, 130876), (328, 65438), (656, 32719)]