21031304

素因数分解:

$2^3\times 7^1\times {\mathrm{375559}}^1$

素因数の和:375572

約数の個数: 16

約数和(自身を含む): 45067200

約数和(自身を除く): 24035896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375559, 751118, 1502236, 2628913, 3004472, 5257826, 10515652, 21031304]

約数ペア:

[(1, 21031304), (2, 10515652), (4, 5257826), (7, 3004472), (8, 2628913), (14, 1502236), (28, 751118), (56, 375559)]