21866493

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 33459840

約数和(自身を除く): 11593347

約数列:

[1, 3, 11, 29, 33, 73, 87, 219, 313, 319, 803, 939, 957, 2117, 2409, 3443, 6351, 9077, 10329, 22849, 23287, 27231, 68547, 69861, 99847, 251339, 299541, 662621, 754017, 1987863, 7288831, 21866493]

約数ペア:

[(1, 21866493), (3, 7288831), (11, 1987863), (29, 754017), (33, 662621), (73, 299541), (87, 251339), (219, 99847), (313, 69861), (319, 68547), (803, 27231), (939, 23287), (957, 22849), (2117, 10329), (2409, 9077), (3443, 6351)]