21314788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5443}}^1$

素因数の和:5547

約数の個数: 24

約数和(自身を含む): 41156640

約数和(自身を除く): 19841852

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5443, 10886, 21772, 59873, 119746, 239492, 484427, 968854, 1937708, 5328697, 10657394, 21314788]

約数ペア:

[(1, 21314788), (2, 10657394), (4, 5328697), (11, 1937708), (22, 968854), (44, 484427), (89, 239492), (178, 119746), (356, 59873), (979, 21772), (1958, 10886), (3916, 5443)]