21416608

素因数分解:

$2^5\times {\mathrm{401}}^1\times {\mathrm{1669}}^1$

素因数の和:2080

約数の個数: 24

約数和(自身を含む): 42294420

約数和(自身を除く): 20877812

約数列:

[1, 2, 4, 8, 16, 32, 401, 802, 1604, 1669, 3208, 3338, 6416, 6676, 12832, 13352, 26704, 53408, 669269, 1338538, 2677076, 5354152, 10708304, 21416608]

約数ペア:

[(1, 21416608), (2, 10708304), (4, 5354152), (8, 2677076), (16, 1338538), (32, 669269), (401, 53408), (802, 26704), (1604, 13352), (1669, 12832), (3208, 6676), (3338, 6416)]