21036483

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 34063680

約数和(自身を除く): 13027197

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 657, 821, 949, 1971, 2463, 2847, 7389, 8541, 10673, 22167, 25623, 32019, 59933, 96057, 179799, 288171, 539397, 779129, 1618191, 2337387, 7012161, 21036483]

約数ペア:

[(1, 21036483), (3, 7012161), (9, 2337387), (13, 1618191), (27, 779129), (39, 539397), (73, 288171), (117, 179799), (219, 96057), (351, 59933), (657, 32019), (821, 25623), (949, 22167), (1971, 10673), (2463, 8541), (2847, 7389)]