21848463

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 40998048

約数和(自身を除く): 19149585

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 49, 63, 91, 103, 111, 117, 147, 259, 273, 309, 333, 441, 481, 637, 721, 777, 819, 927, 1339, 1443, 1813, 1911, 2163, 2331, 3367, 3811, 4017, 4329, 5047, 5439, 5733, 6489, 9373, 10101, 11433, 12051, 15141, 16317, 23569, 26677, 28119, 30303, 34299, 45423, 49543, 65611, 70707, 80031, 84357, 148629, 186739, 196833, 212121, 240093, 346801, 445887, 560217, 590499, 1040403, 1680651, 2427607, 3121209, 7282821, 21848463]

約数ペア:

[(1, 21848463), (3, 7282821), (7, 3121209), (9, 2427607), (13, 1680651), (21, 1040403), (37, 590499), (39, 560217), (49, 445887), (63, 346801), (91, 240093), (103, 212121), (111, 196833), (117, 186739), (147, 148629), (259, 84357), (273, 80031), (309, 70707), (333, 65611), (441, 49543), (481, 45423), (637, 34299), (721, 30303), (777, 28119), (819, 26677), (927, 23569), (1339, 16317), (1443, 15141), (1813, 12051), (1911, 11433), (2163, 10101), (2331, 9373), (3367, 6489), (3811, 5733), (4017, 5439), (4329, 5047)]