21297000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 68889600

約数和(自身を除く): 47592600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 31, 40, 50, 60, 62, 75, 93, 100, 120, 124, 125, 150, 155, 186, 200, 229, 248, 250, 300, 310, 372, 375, 458, 465, 500, 600, 620, 687, 744, 750, 775, 916, 930, 1000, 1145, 1240, 1374, 1500, 1550, 1832, 1860, 2290, 2325, 2748, 3000, 3100, 3435, 3720, 3875, 4580, 4650, 5496, 5725, 6200, 6870, 7099, 7750, 9160, 9300, 11450, 11625, 13740, 14198, 15500, 17175, 18600, 21297, 22900, 23250, 27480, 28396, 28625, 31000, 34350, 35495, 42594, 45800, 46500, 56792, 57250, 68700, 70990, 85188, 85875, 93000, 106485, 114500, 137400, 141980, 170376, 171750, 177475, 212970, 229000, 283960, 343500, 354950, 425940, 532425, 687000, 709900, 851880, 887375, 1064850, 1419800, 1774750, 2129700, 2662125, 3549500, 4259400, 5324250, 7099000, 10648500, 21297000]

約数ペア:

[(1, 21297000), (2, 10648500), (3, 7099000), (4, 5324250), (5, 4259400), (6, 3549500), (8, 2662125), (10, 2129700), (12, 1774750), (15, 1419800), (20, 1064850), (24, 887375), (25, 851880), (30, 709900), (31, 687000), (40, 532425), (50, 425940), (60, 354950), (62, 343500), (75, 283960), (93, 229000), (100, 212970), (120, 177475), (124, 171750), (125, 170376), (150, 141980), (155, 137400), (186, 114500), (200, 106485), (229, 93000), (248, 85875), (250, 85188), (300, 70990), (310, 68700), (372, 57250), (375, 56792), (458, 46500), (465, 45800), (500, 42594), (600, 35495), (620, 34350), (687, 31000), (744, 28625), (750, 28396), (775, 27480), (916, 23250), (930, 22900), (1000, 21297), (1145, 18600), (1240, 17175), (1374, 15500), (1500, 14198), (1550, 13740), (1832, 11625), (1860, 11450), (2290, 9300), (2325, 9160), (2748, 7750), (3000, 7099), (3100, 6870), (3435, 6200), (3720, 5725), (3875, 5496), (4580, 4650)]