21167247365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3967619}}^1$

素因数の和:3967732

約数の個数: 16

約数和(自身を含む): 27995526720

約数和(自身を除く): 6828279355

約数列:

[1, 5, 11, 55, 97, 485, 1067, 5335, 3967619, 19838095, 43643809, 218219045, 384859043, 1924295215, 4233449473, 21167247365]

約数ペア:

[(1, 21167247365), (5, 4233449473), (11, 1924295215), (55, 384859043), (97, 218219045), (485, 43643809), (1067, 19838095), (5335, 3967619)]