21440090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5779}}^1$

素因数の和:5846

約数の個数: 32

約数和(自身を含む): 44945280

約数和(自身を除く): 23505190

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5779, 11558, 28895, 40453, 57790, 80906, 202265, 306287, 404530, 612574, 1531435, 2144009, 3062870, 4288018, 10720045, 21440090]

約数ペア:

[(1, 21440090), (2, 10720045), (5, 4288018), (7, 3062870), (10, 2144009), (14, 1531435), (35, 612574), (53, 404530), (70, 306287), (106, 202265), (265, 80906), (371, 57790), (530, 40453), (742, 28895), (1855, 11558), (3710, 5779)]