21000503496

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{821}}^1\times {\mathrm{21751}}^1$

素因数の和:22595

約数の個数: 96

約数和(自身を含む): 61150092480

約数和(自身を除く): 40149588984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 821, 1176, 1642, 2463, 3284, 4926, 5747, 6568, 9852, 11494, 17241, 19704, 21751, 22988, 34482, 40229, 43502, 45976, 65253, 68964, 80458, 87004, 120687, 130506, 137928, 152257, 160916, 174008, 241374, 261012, 304514, 321832, 456771, 482748, 522024, 609028, 913542, 965496, 1065799, 1218056, 1827084, 2131598, 3197397, 3654168, 4263196, 6394794, 8526392, 12789588, 17857571, 25579176, 35715142, 53572713, 71430284, 107145426, 125002997, 142860568, 214290852, 250005994, 375008991, 428581704, 500011988, 750017982, 875020979, 1000023976, 1500035964, 1750041958, 2625062937, 3000071928, 3500083916, 5250125874, 7000167832, 10500251748, 21000503496]

約数ペア:

[(1, 21000503496), (2, 10500251748), (3, 7000167832), (4, 5250125874), (6, 3500083916), (7, 3000071928), (8, 2625062937), (12, 1750041958), (14, 1500035964), (21, 1000023976), (24, 875020979), (28, 750017982), (42, 500011988), (49, 428581704), (56, 375008991), (84, 250005994), (98, 214290852), (147, 142860568), (168, 125002997), (196, 107145426), (294, 71430284), (392, 53572713), (588, 35715142), (821, 25579176), (1176, 17857571), (1642, 12789588), (2463, 8526392), (3284, 6394794), (4926, 4263196), (5747, 3654168), (6568, 3197397), (9852, 2131598), (11494, 1827084), (17241, 1218056), (19704, 1065799), (21751, 965496), (22988, 913542), (34482, 609028), (40229, 522024), (43502, 482748), (45976, 456771), (65253, 321832), (68964, 304514), (80458, 261012), (87004, 241374), (120687, 174008), (130506, 160916), (137928, 152257)]