21252994763

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{6637}}^1$

素因数の和:7132

約数の個数: 48

約数和(自身を含む): 29112993504

約数和(自身を除く): 7859998741

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 457, 539, 637, 1001, 3199, 5027, 5941, 6637, 7007, 22393, 35189, 41587, 46459, 65351, 73007, 86281, 246323, 291109, 325213, 457457, 511049, 603967, 949091, 3033109, 3202199, 3577343, 4227769, 6643637, 21231763, 33364199, 39430417, 46505459, 148622341, 233549393, 276012919, 433734587, 1634845751, 1932090433, 3036142109, 21252994763]

約数ペア:

[(1, 21252994763), (7, 3036142109), (11, 1932090433), (13, 1634845751), (49, 433734587), (77, 276012919), (91, 233549393), (143, 148622341), (457, 46505459), (539, 39430417), (637, 33364199), (1001, 21231763), (3199, 6643637), (5027, 4227769), (5941, 3577343), (6637, 3202199), (7007, 3033109), (22393, 949091), (35189, 603967), (41587, 511049), (46459, 457457), (65351, 325213), (73007, 291109), (86281, 246323)]