21319312

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:476

約数の個数: 60

約数和(自身を含む): 48854016

約数和(自身を除く): 27534704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 284, 383, 392, 497, 568, 766, 784, 994, 1136, 1532, 1988, 2681, 3064, 3479, 3976, 5362, 6128, 6958, 7952, 10724, 13916, 18767, 21448, 27193, 27832, 37534, 42896, 54386, 55664, 75068, 108772, 150136, 190351, 217544, 300272, 380702, 435088, 761404, 1332457, 1522808, 2664914, 3045616, 5329828, 10659656, 21319312]

約数ペア:

[(1, 21319312), (2, 10659656), (4, 5329828), (7, 3045616), (8, 2664914), (14, 1522808), (16, 1332457), (28, 761404), (49, 435088), (56, 380702), (71, 300272), (98, 217544), (112, 190351), (142, 150136), (196, 108772), (284, 75068), (383, 55664), (392, 54386), (497, 42896), (568, 37534), (766, 27832), (784, 27193), (994, 21448), (1136, 18767), (1532, 13916), (1988, 10724), (2681, 7952), (3064, 6958), (3479, 6128), (3976, 5362)]