21133803

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5779}}^1$

素因数の和:5858

約数の個数: 16

約数和(自身を含む): 29963520

約数和(自身を除く): 8829717

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5779, 17337, 132917, 306287, 398751, 918861, 7044601, 21133803]

約数ペア:

[(1, 21133803), (3, 7044601), (23, 918861), (53, 398751), (69, 306287), (159, 132917), (1219, 17337), (3657, 5779)]