21477888418

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{52901203}}^1$

素因数の和:52901241

約数の個数: 16

約数和(自身を含む): 38088866880

約数和(自身を除く): 16610978462

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 52901203, 105802406, 370308421, 740616842, 1534134887, 3068269774, 10738944209, 21477888418]

約数ペア:

[(1, 21477888418), (2, 10738944209), (7, 3068269774), (14, 1534134887), (29, 740616842), (58, 370308421), (203, 105802406), (406, 52901203)]