21105684

素因数分解:

$2^2\times 3^4\times {\mathrm{65141}}^1$

素因数の和:65157

約数の個数: 30

約数和(自身を含む): 55175274

約数和(自身を除く): 34069590

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65141, 130282, 195423, 260564, 390846, 586269, 781692, 1172538, 1758807, 2345076, 3517614, 5276421, 7035228, 10552842, 21105684]

約数ペア:

[(1, 21105684), (2, 10552842), (3, 7035228), (4, 5276421), (6, 3517614), (9, 2345076), (12, 1758807), (18, 1172538), (27, 781692), (36, 586269), (54, 390846), (81, 260564), (108, 195423), (162, 130282), (324, 65141)]