21879774

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{8269}}^1$

素因数の和:8294

約数の個数: 48

約数和(自身を含む): 56566800

約数和(自身を除く): 34687026

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 8269, 16538, 24807, 49614, 57883, 74421, 115766, 148842, 173649, 223263, 347298, 405181, 446526, 520947, 810362, 1041894, 1215543, 1562841, 2431086, 3125682, 3646629, 7293258, 10939887, 21879774]

約数ペア:

[(1, 21879774), (2, 10939887), (3, 7293258), (6, 3646629), (7, 3125682), (9, 2431086), (14, 1562841), (18, 1215543), (21, 1041894), (27, 810362), (42, 520947), (49, 446526), (54, 405181), (63, 347298), (98, 223263), (126, 173649), (147, 148842), (189, 115766), (294, 74421), (378, 57883), (441, 49614), (882, 24807), (1323, 16538), (2646, 8269)]