21489468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1789}}^1$

素因数の和:1827

約数の個数: 96

約数和(自身を含む): 67361280

約数和(自身を除く): 45871812

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1716, 1789, 2002, 3003, 3578, 4004, 5367, 6006, 7156, 10734, 12012, 12523, 19679, 21468, 23257, 25046, 37569, 39358, 46514, 50092, 59037, 69771, 75138, 78716, 93028, 118074, 137753, 139542, 150276, 162799, 236148, 255827, 275506, 279084, 325598, 413259, 488397, 511654, 551012, 651196, 767481, 826518, 976794, 1023308, 1534962, 1653036, 1790789, 1953588, 3069924, 3581578, 5372367, 7163156, 10744734, 21489468]

約数ペア:

[(1, 21489468), (2, 10744734), (3, 7163156), (4, 5372367), (6, 3581578), (7, 3069924), (11, 1953588), (12, 1790789), (13, 1653036), (14, 1534962), (21, 1023308), (22, 976794), (26, 826518), (28, 767481), (33, 651196), (39, 551012), (42, 511654), (44, 488397), (52, 413259), (66, 325598), (77, 279084), (78, 275506), (84, 255827), (91, 236148), (132, 162799), (143, 150276), (154, 139542), (156, 137753), (182, 118074), (231, 93028), (273, 78716), (286, 75138), (308, 69771), (364, 59037), (429, 50092), (462, 46514), (546, 39358), (572, 37569), (858, 25046), (924, 23257), (1001, 21468), (1092, 19679), (1716, 12523), (1789, 12012), (2002, 10734), (3003, 7156), (3578, 6006), (4004, 5367)]