21345344

素因数分解:

$2^6\times {\mathrm{197}}^1\times {\mathrm{1693}}^1$

素因数の和:1902

約数の個数: 28

約数和(自身を含む): 42597324

約数和(自身を除く): 21251980

約数列:

[1, 2, 4, 8, 16, 32, 64, 197, 394, 788, 1576, 1693, 3152, 3386, 6304, 6772, 12608, 13544, 27088, 54176, 108352, 333521, 667042, 1334084, 2668168, 5336336, 10672672, 21345344]

約数ペア:

[(1, 21345344), (2, 10672672), (4, 5336336), (8, 2668168), (16, 1334084), (32, 667042), (64, 333521), (197, 108352), (394, 54176), (788, 27088), (1576, 13544), (1693, 12608), (3152, 6772), (3386, 6304)]