21582195

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1847}}^1$

素因数の和:1915

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 15673485

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 1847, 2337, 3895, 5541, 9235, 11685, 27705, 35093, 75727, 105279, 175465, 227181, 378635, 526395, 1135905, 1438813, 4316439, 7194065, 21582195]

約数ペア:

[(1, 21582195), (3, 7194065), (5, 4316439), (15, 1438813), (19, 1135905), (41, 526395), (57, 378635), (95, 227181), (123, 175465), (205, 105279), (285, 75727), (615, 35093), (779, 27705), (1847, 11685), (2337, 9235), (3895, 5541)]