21000742053

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{3517}}^1\times {\mathrm{42349}}^1$

素因数の和:45916

約数の個数: 16

約数和(自身を含む): 28605561600

約数和(自身を除く): 7604819547

約数列:

[1, 3, 47, 141, 3517, 10551, 42349, 127047, 165299, 495897, 1990403, 5971209, 148941433, 446824299, 7000247351, 21000742053]

約数ペア:

[(1, 21000742053), (3, 7000247351), (47, 446824299), (141, 148941433), (3517, 5971209), (10551, 1990403), (42349, 495897), (127047, 165299)]