21477728

素因数分解:

$2^5\times {\mathrm{197}}^1\times {\mathrm{3407}}^1$

素因数の和:3614

約数の個数: 24

約数和(自身を含む): 42511392

約数和(自身を除く): 21033664

約数列:

[1, 2, 4, 8, 16, 32, 197, 394, 788, 1576, 3152, 3407, 6304, 6814, 13628, 27256, 54512, 109024, 671179, 1342358, 2684716, 5369432, 10738864, 21477728]

約数ペア:

[(1, 21477728), (2, 10738864), (4, 5369432), (8, 2684716), (16, 1342358), (32, 671179), (197, 109024), (394, 54512), (788, 27256), (1576, 13628), (3152, 6814), (3407, 6304)]