21055566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 29747634

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 59, 87, 118, 174, 177, 203, 293, 354, 406, 413, 586, 609, 826, 879, 1218, 1239, 1711, 1758, 2051, 2478, 3422, 4102, 5133, 6153, 8497, 10266, 11977, 12306, 16994, 17287, 23954, 25491, 34574, 35931, 50982, 51861, 59479, 71862, 103722, 118958, 121009, 178437, 242018, 356874, 363027, 501323, 726054, 1002646, 1503969, 3007938, 3509261, 7018522, 10527783, 21055566]

約数ペア:

[(1, 21055566), (2, 10527783), (3, 7018522), (6, 3509261), (7, 3007938), (14, 1503969), (21, 1002646), (29, 726054), (42, 501323), (58, 363027), (59, 356874), (87, 242018), (118, 178437), (174, 121009), (177, 118958), (203, 103722), (293, 71862), (354, 59479), (406, 51861), (413, 50982), (586, 35931), (609, 34574), (826, 25491), (879, 23954), (1218, 17287), (1239, 16994), (1711, 12306), (1758, 11977), (2051, 10266), (2478, 8497), (3422, 6153), (4102, 5133)]