21894670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44683}}^1$

素因数の和:44704

約数の個数: 24

約数和(自身を含む): 45845784

約数和(自身を除く): 23951114

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44683, 89366, 223415, 312781, 446830, 625562, 1563905, 2189467, 3127810, 4378934, 10947335, 21894670]

約数ペア:

[(1, 21894670), (2, 10947335), (5, 4378934), (7, 3127810), (10, 2189467), (14, 1563905), (35, 625562), (49, 446830), (70, 312781), (98, 223415), (245, 89366), (490, 44683)]