21039522045

素因数分解:

$3^1\times 5^1\times {\mathrm{6949}}^1\times {\mathrm{201847}}^1$

素因数の和:208804

約数の個数: 16

約数和(自身を含む): 33668246400

約数和(自身を除く): 12628724355

約数列:

[1, 3, 5, 15, 6949, 20847, 34745, 104235, 201847, 605541, 1009235, 3027705, 1402634803, 4207904409, 7013174015, 21039522045]

約数ペア:

[(1, 21039522045), (3, 7013174015), (5, 4207904409), (15, 1402634803), (6949, 3027705), (20847, 1009235), (34745, 605541), (104235, 201847)]