21821542281

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{851041}}^1$

素因数の和:851102

約数の個数: 48

約数和(自身を含む): 40359815808

約数和(自身を除く): 18538273527

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 693, 777, 1221, 2331, 2849, 3663, 8547, 25641, 851041, 2553123, 5957287, 7659369, 9361451, 17871861, 28084353, 31488517, 53615583, 65530157, 84253059, 94465551, 196590471, 220419619, 283396653, 346373687, 589771413, 661258857, 1039121061, 1983776571, 2424615809, 3117363183, 7273847427, 21821542281]

約数ペア:

[(1, 21821542281), (3, 7273847427), (7, 3117363183), (9, 2424615809), (11, 1983776571), (21, 1039121061), (33, 661258857), (37, 589771413), (63, 346373687), (77, 283396653), (99, 220419619), (111, 196590471), (231, 94465551), (259, 84253059), (333, 65530157), (407, 53615583), (693, 31488517), (777, 28084353), (1221, 17871861), (2331, 9361451), (2849, 7659369), (3663, 5957287), (8547, 2553123), (25641, 851041)]