21042110

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{72559}}^1$

素因数の和:72595

約数の個数: 16

約数和(自身を含む): 39182400

約数和(自身を除く): 18140290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 72559, 145118, 362795, 725590, 2104211, 4208422, 10521055, 21042110]

約数ペア:

[(1, 21042110), (2, 10521055), (5, 4208422), (10, 2104211), (29, 725590), (58, 362795), (145, 145118), (290, 72559)]