21210070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5717}}^1$

素因数の和:5784

約数の個数: 32

約数和(自身を含む): 44463168

約数和(自身を除く): 23253098

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5717, 11434, 28585, 40019, 57170, 80038, 200095, 303001, 400190, 606002, 1515005, 2121007, 3030010, 4242014, 10605035, 21210070]

約数ペア:

[(1, 21210070), (2, 10605035), (5, 4242014), (7, 3030010), (10, 2121007), (14, 1515005), (35, 606002), (53, 400190), (70, 303001), (106, 200095), (265, 80038), (371, 57170), (530, 40019), (742, 28585), (1855, 11434), (3710, 5717)]