21286692

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:818

約数の個数: 96

約数和(自身を含む): 64861440

約数和(自身を除く): 43574748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 54, 63, 74, 84, 108, 111, 126, 148, 189, 222, 252, 259, 333, 378, 444, 518, 666, 756, 761, 777, 999, 1036, 1332, 1522, 1554, 1998, 2283, 2331, 3044, 3108, 3996, 4566, 4662, 5327, 6849, 6993, 9132, 9324, 10654, 13698, 13986, 15981, 20547, 21308, 27396, 27972, 28157, 31962, 41094, 47943, 56314, 63924, 82188, 84471, 95886, 112628, 143829, 168942, 191772, 197099, 253413, 287658, 337884, 394198, 506826, 575316, 591297, 760239, 788396, 1013652, 1182594, 1520478, 1773891, 2365188, 3040956, 3547782, 5321673, 7095564, 10643346, 21286692]

約数ペア:

[(1, 21286692), (2, 10643346), (3, 7095564), (4, 5321673), (6, 3547782), (7, 3040956), (9, 2365188), (12, 1773891), (14, 1520478), (18, 1182594), (21, 1013652), (27, 788396), (28, 760239), (36, 591297), (37, 575316), (42, 506826), (54, 394198), (63, 337884), (74, 287658), (84, 253413), (108, 197099), (111, 191772), (126, 168942), (148, 143829), (189, 112628), (222, 95886), (252, 84471), (259, 82188), (333, 63924), (378, 56314), (444, 47943), (518, 41094), (666, 31962), (756, 28157), (761, 27972), (777, 27396), (999, 21308), (1036, 20547), (1332, 15981), (1522, 13986), (1554, 13698), (1998, 10654), (2283, 9324), (2331, 9132), (3044, 6993), (3108, 6849), (3996, 5327), (4566, 4662)]