21491436

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{61757}}^1$

素因数の和:61793

約数の個数: 24

約数和(自身を含む): 51876720

約数和(自身を除く): 30385284

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 61757, 123514, 185271, 247028, 370542, 741084, 1790953, 3581906, 5372859, 7163812, 10745718, 21491436]

約数ペア:

[(1, 21491436), (2, 10745718), (3, 7163812), (4, 5372859), (6, 3581906), (12, 1790953), (29, 741084), (58, 370542), (87, 247028), (116, 185271), (174, 123514), (348, 61757)]