21717584

素因数分解:

$2^4\times 7^2\times {\mathrm{27701}}^1$

素因数の和:27723

約数の個数: 30

約数和(自身を含む): 48949434

約数和(自身を除く): 27231850

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27701, 55402, 110804, 193907, 221608, 387814, 443216, 775628, 1357349, 1551256, 2714698, 3102512, 5429396, 10858792, 21717584]

約数ペア:

[(1, 21717584), (2, 10858792), (4, 5429396), (7, 3102512), (8, 2714698), (14, 1551256), (16, 1357349), (28, 775628), (49, 443216), (56, 387814), (98, 221608), (112, 193907), (196, 110804), (392, 55402), (784, 27701)]