21610295

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 9258697

約数列:

[1, 5, 7, 35, 43, 83, 173, 215, 301, 415, 581, 865, 1211, 1505, 2905, 3569, 6055, 7439, 14359, 17845, 24983, 37195, 52073, 71795, 100513, 124915, 260365, 502565, 617437, 3087185, 4322059, 21610295]

約数ペア:

[(1, 21610295), (5, 4322059), (7, 3087185), (35, 617437), (43, 502565), (83, 260365), (173, 124915), (215, 100513), (301, 71795), (415, 52073), (581, 37195), (865, 24983), (1211, 17845), (1505, 14359), (2905, 7439), (3569, 6055)]