21593308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1093}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 41353200

約数和(自身を除く): 19759892

約数列:

[1, 2, 4, 11, 22, 44, 449, 898, 1093, 1796, 2186, 4372, 4939, 9878, 12023, 19756, 24046, 48092, 490757, 981514, 1963028, 5398327, 10796654, 21593308]

約数ペア:

[(1, 21593308), (2, 10796654), (4, 5398327), (11, 1963028), (22, 981514), (44, 490757), (449, 48092), (898, 24046), (1093, 19756), (1796, 12023), (2186, 9878), (4372, 4939)]