21044328

素因数分解:

$2^3\times 3^1\times {\mathrm{197}}^1\times {\mathrm{4451}}^1$

素因数の和:4657

約数の個数: 32

約数和(自身を含む): 52889760

約数和(自身を除く): 31845432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 197, 394, 591, 788, 1182, 1576, 2364, 4451, 4728, 8902, 13353, 17804, 26706, 35608, 53412, 106824, 876847, 1753694, 2630541, 3507388, 5261082, 7014776, 10522164, 21044328]

約数ペア:

[(1, 21044328), (2, 10522164), (3, 7014776), (4, 5261082), (6, 3507388), (8, 2630541), (12, 1753694), (24, 876847), (197, 106824), (394, 53412), (591, 35608), (788, 26706), (1182, 17804), (1576, 13353), (2364, 8902), (4451, 4728)]