21702065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56369}}^1$

素因数の和:56392

約数の個数: 16

約数和(自身を含む): 32469120

約数和(自身を除く): 10767055

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 56369, 281845, 394583, 620059, 1972915, 3100295, 4340413, 21702065]

約数ペア:

[(1, 21702065), (5, 4340413), (7, 3100295), (11, 1972915), (35, 620059), (55, 394583), (77, 281845), (385, 56369)]