21546217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9649}}^1$

素因数の和:9696

約数の個数: 16

約数和(自身を含む): 27792000

約数和(自身を除く): 6245783

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 9649, 67543, 106139, 279821, 742973, 1958747, 3078031, 21546217]

約数ペア:

[(1, 21546217), (7, 3078031), (11, 1958747), (29, 742973), (77, 279821), (203, 106139), (319, 67543), (2233, 9649)]