21000865886

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1123}}^1\times {\mathrm{9341}}^1$

素因数の和:10497

約数の個数: 64

約数和(自身を含む): 42337645056

約数和(自身を除く): 21336779170

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 1123, 2002, 2246, 7861, 9341, 12353, 14599, 15722, 18682, 24706, 29198, 65387, 86471, 102193, 102751, 121433, 130774, 160589, 172942, 204386, 205502, 242866, 321178, 719257, 850031, 1124123, 1335763, 1438514, 1700062, 2248246, 2671526, 9350341, 10489943, 18700682, 20979886, 73429601, 115389373, 136369259, 146859202, 230778746, 272738518, 807725611, 954584813, 1500061849, 1615451222, 1909169626, 3000123698, 10500432943, 21000865886]

約数ペア:

[(1, 21000865886), (2, 10500432943), (7, 3000123698), (11, 1909169626), (13, 1615451222), (14, 1500061849), (22, 954584813), (26, 807725611), (77, 272738518), (91, 230778746), (143, 146859202), (154, 136369259), (182, 115389373), (286, 73429601), (1001, 20979886), (1123, 18700682), (2002, 10489943), (2246, 9350341), (7861, 2671526), (9341, 2248246), (12353, 1700062), (14599, 1438514), (15722, 1335763), (18682, 1124123), (24706, 850031), (29198, 719257), (65387, 321178), (86471, 242866), (102193, 205502), (102751, 204386), (121433, 172942), (130774, 160589)]