21836187

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{461}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 33393360

約数和(自身を除く): 11557173

約数列:

[1, 3, 9, 19, 57, 171, 277, 461, 831, 1383, 2493, 4149, 5263, 8759, 15789, 26277, 47367, 78831, 127697, 383091, 1149273, 2426243, 7278729, 21836187]

約数ペア:

[(1, 21836187), (3, 7278729), (9, 2426243), (19, 1149273), (57, 383091), (171, 127697), (277, 78831), (461, 47367), (831, 26277), (1383, 15789), (2493, 8759), (4149, 5263)]