21809496

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12799}}^1$

素因数の和:12879

約数の個数: 32

約数和(自身を含む): 55296000

約数和(自身を除く): 33486504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12799, 25598, 38397, 51196, 76794, 102392, 153588, 307176, 908729, 1817458, 2726187, 3634916, 5452374, 7269832, 10904748, 21809496]

約数ペア:

[(1, 21809496), (2, 10904748), (3, 7269832), (4, 5452374), (6, 3634916), (8, 2726187), (12, 1817458), (24, 908729), (71, 307176), (142, 153588), (213, 102392), (284, 76794), (426, 51196), (568, 38397), (852, 25598), (1704, 12799)]