21120608

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{5197}}^1$

素因数の和:5334

約数の個数: 24

約数和(自身を含む): 41916672

約数和(自身を除く): 20796064

約数列:

[1, 2, 4, 8, 16, 32, 127, 254, 508, 1016, 2032, 4064, 5197, 10394, 20788, 41576, 83152, 166304, 660019, 1320038, 2640076, 5280152, 10560304, 21120608]

約数ペア:

[(1, 21120608), (2, 10560304), (4, 5280152), (8, 2640076), (16, 1320038), (32, 660019), (127, 166304), (254, 83152), (508, 41576), (1016, 20788), (2032, 10394), (4064, 5197)]