21837186

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2441}}^1$

素因数の和:2527

約数の個数: 48

約数和(自身を含む): 54857088

約数和(自身を除く): 33019902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2441, 2982, 4473, 4882, 7323, 8946, 14646, 17087, 21969, 34174, 43938, 51261, 102522, 153783, 173311, 307566, 346622, 519933, 1039866, 1213177, 1559799, 2426354, 3119598, 3639531, 7279062, 10918593, 21837186]

約数ペア:

[(1, 21837186), (2, 10918593), (3, 7279062), (6, 3639531), (7, 3119598), (9, 2426354), (14, 1559799), (18, 1213177), (21, 1039866), (42, 519933), (63, 346622), (71, 307566), (126, 173311), (142, 153783), (213, 102522), (426, 51261), (497, 43938), (639, 34174), (994, 21969), (1278, 17087), (1491, 14646), (2441, 8946), (2982, 7323), (4473, 4882)]