21385952

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:640

約数の個数: 72

約数和(自身を含む): 51193296

約数和(自身を除く): 29807344

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 184, 196, 224, 322, 368, 392, 593, 644, 736, 784, 1127, 1186, 1288, 1568, 2254, 2372, 2576, 4151, 4508, 4744, 5152, 8302, 9016, 9488, 13639, 16604, 18032, 18976, 27278, 29057, 33208, 36064, 54556, 58114, 66416, 95473, 109112, 116228, 132832, 190946, 218224, 232456, 381892, 436448, 464912, 668311, 763784, 929824, 1336622, 1527568, 2673244, 3055136, 5346488, 10692976, 21385952]

約数ペア:

[(1, 21385952), (2, 10692976), (4, 5346488), (7, 3055136), (8, 2673244), (14, 1527568), (16, 1336622), (23, 929824), (28, 763784), (32, 668311), (46, 464912), (49, 436448), (56, 381892), (92, 232456), (98, 218224), (112, 190946), (161, 132832), (184, 116228), (196, 109112), (224, 95473), (322, 66416), (368, 58114), (392, 54556), (593, 36064), (644, 33208), (736, 29057), (784, 27278), (1127, 18976), (1186, 18032), (1288, 16604), (1568, 13639), (2254, 9488), (2372, 9016), (2576, 8302), (4151, 5152), (4508, 4744)]