21760585

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:2001

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 11935415

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 1949, 2233, 9745, 11165, 13643, 21439, 56521, 68215, 107195, 150073, 282605, 395647, 621731, 750365, 1978235, 3108655, 4352117, 21760585]

約数ペア:

[(1, 21760585), (5, 4352117), (7, 3108655), (11, 1978235), (29, 750365), (35, 621731), (55, 395647), (77, 282605), (145, 150073), (203, 107195), (319, 68215), (385, 56521), (1015, 21439), (1595, 13643), (1949, 11165), (2233, 9745)]