21155068

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1289}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 40526640

約数和(自身を除く): 19371572

約数列:

[1, 2, 4, 11, 22, 44, 373, 746, 1289, 1492, 2578, 4103, 5156, 8206, 14179, 16412, 28358, 56716, 480797, 961594, 1923188, 5288767, 10577534, 21155068]

約数ペア:

[(1, 21155068), (2, 10577534), (4, 5288767), (11, 1923188), (22, 961594), (44, 480797), (373, 56716), (746, 28358), (1289, 16412), (1492, 14179), (2578, 8206), (4103, 5156)]