21897402569

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{4261}}^1\times {\mathrm{9293}}^1$

素因数の和:13640

約数の個数: 16

約数和(自身を含む): 25351057920

約数和(自身を除く): 3453655351

約数列:

[1, 7, 79, 553, 4261, 9293, 29827, 65051, 336619, 734147, 2356333, 5139029, 39597473, 277182311, 3128200367, 21897402569]

約数ペア:

[(1, 21897402569), (7, 3128200367), (79, 277182311), (553, 39597473), (4261, 5139029), (9293, 2356333), (29827, 734147), (65051, 336619)]