21664346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22901}}^1$

素因数の和:22957

約数の個数: 16

約数和(自身を含む): 36276768

約数和(自身を除く): 14612422

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22901, 45802, 251911, 503822, 984743, 1969486, 10832173, 21664346]

約数ペア:

[(1, 21664346), (2, 10832173), (11, 1969486), (22, 984743), (43, 503822), (86, 251911), (473, 45802), (946, 22901)]