21104335

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 30523392

約数和(自身を除く): 9419057

約数列:

[1, 5, 7, 31, 35, 53, 155, 217, 265, 367, 371, 1085, 1643, 1835, 1855, 2569, 8215, 11377, 11501, 12845, 19451, 56885, 57505, 79639, 97255, 136157, 398195, 602981, 680785, 3014905, 4220867, 21104335]

約数ペア:

[(1, 21104335), (5, 4220867), (7, 3014905), (31, 680785), (35, 602981), (53, 398195), (155, 136157), (217, 97255), (265, 79639), (367, 57505), (371, 56885), (1085, 19451), (1643, 12845), (1835, 11501), (1855, 11377), (2569, 8215)]