21990996

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{35933}}^1$

素因数の和:35960

約数の個数: 36

約数和(自身を含む): 58859892

約数和(自身を除く): 36868896

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 35933, 71866, 107799, 143732, 215598, 323397, 431196, 610861, 646794, 1221722, 1293588, 1832583, 2443444, 3665166, 5497749, 7330332, 10995498, 21990996]

約数ペア:

[(1, 21990996), (2, 10995498), (3, 7330332), (4, 5497749), (6, 3665166), (9, 2443444), (12, 1832583), (17, 1293588), (18, 1221722), (34, 646794), (36, 610861), (51, 431196), (68, 323397), (102, 215598), (153, 143732), (204, 107799), (306, 71866), (612, 35933)]