21763315

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 32071680

約数和(自身を除く): 10308365

約数列:

[1, 5, 7, 17, 35, 79, 85, 119, 395, 463, 553, 595, 1343, 2315, 2765, 3241, 6715, 7871, 9401, 16205, 36577, 39355, 47005, 55097, 182885, 256039, 275485, 621809, 1280195, 3109045, 4352663, 21763315]

約数ペア:

[(1, 21763315), (5, 4352663), (7, 3109045), (17, 1280195), (35, 621809), (79, 275485), (85, 256039), (119, 182885), (395, 55097), (463, 47005), (553, 39355), (595, 36577), (1343, 16205), (2315, 9401), (2765, 7871), (3241, 6715)]