2101919421

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1187}}^1$

素因数の和:1330

約数の個数: 64

約数和(自身を含む): 3432388608

約数和(自身を除く): 1330469187

約数列:

[1, 3, 7, 21, 37, 43, 53, 111, 129, 159, 259, 301, 371, 777, 903, 1113, 1187, 1591, 1961, 2279, 3561, 4773, 5883, 6837, 8309, 11137, 13727, 15953, 24927, 33411, 41181, 43919, 47859, 51041, 62911, 84323, 131757, 153123, 188733, 252969, 307433, 357287, 440377, 590261, 922299, 1071861, 1321131, 1770783, 1888517, 2327707, 2705173, 5665551, 6983121, 8115519, 13219619, 16293949, 18936211, 39658857, 48881847, 56808633, 100091401, 300274203, 700639807, 2101919421]

約数ペア:

[(1, 2101919421), (3, 700639807), (7, 300274203), (21, 100091401), (37, 56808633), (43, 48881847), (53, 39658857), (111, 18936211), (129, 16293949), (159, 13219619), (259, 8115519), (301, 6983121), (371, 5665551), (777, 2705173), (903, 2327707), (1113, 1888517), (1187, 1770783), (1591, 1321131), (1961, 1071861), (2279, 922299), (3561, 590261), (4773, 440377), (5883, 357287), (6837, 307433), (8309, 252969), (11137, 188733), (13727, 153123), (15953, 131757), (24927, 84323), (33411, 62911), (41181, 51041), (43919, 47859)]