21097370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7351}}^1$

素因数の和:7406

約数の個数: 32

約数和(自身を含む): 44464896

約数和(自身を除く): 23367526

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7351, 14702, 36755, 51457, 73510, 102914, 257285, 301391, 514570, 602782, 1506955, 2109737, 3013910, 4219474, 10548685, 21097370]

約数ペア:

[(1, 21097370), (2, 10548685), (5, 4219474), (7, 3013910), (10, 2109737), (14, 1506955), (35, 602782), (41, 514570), (70, 301391), (82, 257285), (205, 102914), (287, 73510), (410, 51457), (574, 36755), (1435, 14702), (2870, 7351)]