21868595

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{11789}}^1$

素因数の和:11854

約数の個数: 16

約数和(自身を含む): 30559680

約数和(自身を除く): 8691085

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 11789, 58945, 82523, 412615, 624817, 3124085, 4373719, 21868595]

約数ペア:

[(1, 21868595), (5, 4373719), (7, 3124085), (35, 624817), (53, 412615), (265, 82523), (371, 58945), (1855, 11789)]