21224308

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32957}}^1$

素因数の和:32991

約数の個数: 24

約数和(自身を含む): 44295552

約数和(自身を除く): 23071244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32957, 65914, 131828, 230699, 461398, 758011, 922796, 1516022, 3032044, 5306077, 10612154, 21224308]

約数ペア:

[(1, 21224308), (2, 10612154), (4, 5306077), (7, 3032044), (14, 1516022), (23, 922796), (28, 758011), (46, 461398), (92, 230699), (161, 131828), (322, 65914), (644, 32957)]