21523713

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{449}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 31356000

約数和(自身を除く): 9832287

約数列:

[1, 3, 19, 29, 57, 87, 449, 551, 841, 1347, 1653, 2523, 8531, 13021, 15979, 25593, 39063, 47937, 247399, 377609, 742197, 1132827, 7174571, 21523713]

約数ペア:

[(1, 21523713), (3, 7174571), (19, 1132827), (29, 742197), (57, 377609), (87, 247399), (449, 47937), (551, 39063), (841, 25593), (1347, 15979), (1653, 13021), (2523, 8531)]