21835916

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1607}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 39621120

約数和(自身を除く): 17785204

約数列:

[1, 2, 4, 43, 79, 86, 158, 172, 316, 1607, 3214, 3397, 6428, 6794, 13588, 69101, 126953, 138202, 253906, 276404, 507812, 5458979, 10917958, 21835916]

約数ペア:

[(1, 21835916), (2, 10917958), (4, 5458979), (43, 507812), (79, 276404), (86, 253906), (158, 138202), (172, 126953), (316, 69101), (1607, 13588), (3214, 6794), (3397, 6428)]