21093616520

素因数分解:

$2^3\times 5^1\times {\mathrm{527340413}}^1$

素因数の和:527340424

約数の個数: 16

約数和(自身を含む): 47460637260

約数和(自身を除く): 26367020740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527340413, 1054680826, 2109361652, 2636702065, 4218723304, 5273404130, 10546808260, 21093616520]

約数ペア:

[(1, 21093616520), (2, 10546808260), (4, 5273404130), (5, 4218723304), (8, 2636702065), (10, 2109361652), (20, 1054680826), (40, 527340413)]