21088782

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2731}}^1$

素因数の和:2766

約数の個数: 64

約数和(自身を含む): 55077120

約数和(自身を除く): 33988338

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 54, 66, 78, 99, 117, 143, 198, 234, 286, 297, 351, 429, 594, 702, 858, 1287, 2574, 2731, 3861, 5462, 7722, 8193, 16386, 24579, 30041, 35503, 49158, 60082, 71006, 73737, 90123, 106509, 147474, 180246, 213018, 270369, 319527, 390533, 540738, 639054, 781066, 811107, 958581, 1171599, 1622214, 1917162, 2343198, 3514797, 7029594, 10544391, 21088782]

約数ペア:

[(1, 21088782), (2, 10544391), (3, 7029594), (6, 3514797), (9, 2343198), (11, 1917162), (13, 1622214), (18, 1171599), (22, 958581), (26, 811107), (27, 781066), (33, 639054), (39, 540738), (54, 390533), (66, 319527), (78, 270369), (99, 213018), (117, 180246), (143, 147474), (198, 106509), (234, 90123), (286, 73737), (297, 71006), (351, 60082), (429, 49158), (594, 35503), (702, 30041), (858, 24579), (1287, 16386), (2574, 8193), (2731, 7722), (3861, 5462)]