21354165

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 22882635

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 59, 63, 105, 135, 177, 189, 295, 315, 383, 413, 531, 885, 945, 1149, 1239, 1593, 1915, 2065, 2655, 2681, 3447, 3717, 5745, 6195, 7965, 8043, 10341, 11151, 13405, 17235, 18585, 22597, 24129, 40215, 51705, 55755, 67791, 72387, 112985, 120645, 158179, 203373, 338955, 361935, 474537, 610119, 790895, 1016865, 1423611, 2372685, 3050595, 4270833, 7118055, 21354165]

約数ペア:

[(1, 21354165), (3, 7118055), (5, 4270833), (7, 3050595), (9, 2372685), (15, 1423611), (21, 1016865), (27, 790895), (35, 610119), (45, 474537), (59, 361935), (63, 338955), (105, 203373), (135, 158179), (177, 120645), (189, 112985), (295, 72387), (315, 67791), (383, 55755), (413, 51705), (531, 40215), (885, 24129), (945, 22597), (1149, 18585), (1239, 17235), (1593, 13405), (1915, 11151), (2065, 10341), (2655, 8043), (2681, 7965), (3447, 6195), (3717, 5745)]