21005358616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5551099}}^1$

素因数の和:5551159

約数の個数: 32

約数和(自身を含む): 43964712000

約数和(自身を除く): 22959353384

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5551099, 11102198, 22204396, 44408792, 61062089, 122124178, 238697257, 244248356, 477394514, 488496712, 954789028, 1909578056, 2625669827, 5251339654, 10502679308, 21005358616]

約数ペア:

[(1, 21005358616), (2, 10502679308), (4, 5251339654), (8, 2625669827), (11, 1909578056), (22, 954789028), (43, 488496712), (44, 477394514), (86, 244248356), (88, 238697257), (172, 122124178), (344, 61062089), (473, 44408792), (946, 22204396), (1892, 11102198), (3784, 5551099)]