21968464

素因数分解:

$2^4\times 7^3\times {\mathrm{4003}}^1$

素因数の和:4032

約数の個数: 40

約数和(自身を含む): 49649600

約数和(自身を除く): 27681136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 4003, 5488, 8006, 16012, 28021, 32024, 56042, 64048, 112084, 196147, 224168, 392294, 448336, 784588, 1373029, 1569176, 2746058, 3138352, 5492116, 10984232, 21968464]

約数ペア:

[(1, 21968464), (2, 10984232), (4, 5492116), (7, 3138352), (8, 2746058), (14, 1569176), (16, 1373029), (28, 784588), (49, 448336), (56, 392294), (98, 224168), (112, 196147), (196, 112084), (343, 64048), (392, 56042), (686, 32024), (784, 28021), (1372, 16012), (2744, 8006), (4003, 5488)]