21660904

素因数分解:

$2^3\times {\mathrm{293}}^1\times {\mathrm{9241}}^1$

素因数の和:9540

約数の個数: 16

約数和(自身を含む): 40757220

約数和(自身を除く): 19096316

約数列:

[1, 2, 4, 8, 293, 586, 1172, 2344, 9241, 18482, 36964, 73928, 2707613, 5415226, 10830452, 21660904]

約数ペア:

[(1, 21660904), (2, 10830452), (4, 5415226), (8, 2707613), (293, 73928), (586, 36964), (1172, 18482), (2344, 9241)]