21258666

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2753}}^1$

素因数の和:2788

約数の個数: 64

約数和(自身を含む): 55520640

約数和(自身を除く): 34261974

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, 2753, 3861, 5506, 7722, 8259, 16518, 24777, 30283, 35789, 49554, 60566, 71578, 74331, 90849, 107367, 148662, 181698, 214734, 272547, 322101, 393679, 545094, 644202, 787358, 817641, 966303, 1181037, 1635282, 1932606, 2362074, 3543111, 7086222, 10629333, 21258666]

約数ペア:

[(1, 21258666), (2, 10629333), (3, 7086222), (6, 3543111), (9, 2362074), (11, 1932606), (13, 1635282), (18, 1181037), (22, 966303), (26, 817641), (27, 787358), (33, 644202), (39, 545094), (54, 393679), (66, 322101), (78, 272547), (99, 214734), (117, 181698), (143, 148662), (198, 107367), (234, 90849), (286, 74331), (297, 71578), (351, 60566), (429, 49554), (594, 35789), (702, 30283), (858, 24777), (1287, 16518), (2574, 8259), (2753, 7722), (3861, 5506)]