21979688

素因数分解:

$2^3\times {\mathrm{293}}^1\times {\mathrm{9377}}^1$

素因数の和:9676

約数の個数: 16

約数和(自身を含む): 41356980

約数和(自身を除く): 19377292

約数列:

[1, 2, 4, 8, 293, 586, 1172, 2344, 9377, 18754, 37508, 75016, 2747461, 5494922, 10989844, 21979688]

約数ペア:

[(1, 21979688), (2, 10989844), (4, 5494922), (8, 2747461), (293, 75016), (586, 37508), (1172, 18754), (2344, 9377)]