21236644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 44142336

約数和(自身を除く): 22905692

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 137, 143, 271, 274, 286, 542, 548, 572, 1084, 1507, 1781, 2981, 3014, 3523, 3562, 5962, 6028, 7046, 7124, 11924, 14092, 19591, 37127, 38753, 39182, 74254, 77506, 78364, 148508, 155012, 408397, 482651, 816794, 965302, 1633588, 1930604, 5309161, 10618322, 21236644]

約数ペア:

[(1, 21236644), (2, 10618322), (4, 5309161), (11, 1930604), (13, 1633588), (22, 965302), (26, 816794), (44, 482651), (52, 408397), (137, 155012), (143, 148508), (271, 78364), (274, 77506), (286, 74254), (542, 39182), (548, 38753), (572, 37127), (1084, 19591), (1507, 14092), (1781, 11924), (2981, 7124), (3014, 7046), (3523, 6028), (3562, 5962)]