21267628

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2333}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 38819088

約数和(自身を除く): 17551460

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2279, 2333, 4558, 4666, 9116, 9332, 100319, 123649, 200638, 247298, 401276, 494596, 5316907, 10633814, 21267628]

約数ペア:

[(1, 21267628), (2, 10633814), (4, 5316907), (43, 494596), (53, 401276), (86, 247298), (106, 200638), (172, 123649), (212, 100319), (2279, 9332), (2333, 9116), (4558, 4666)]