21086017008

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{953}}^1\times {\mathrm{65851}}^1$

素因数の和:66822

約数の個数: 80

約数和(自身を含む): 62320225536

約数和(自身を除く): 41234208528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 953, 1906, 2859, 3812, 5718, 6671, 7624, 11436, 13342, 15248, 20013, 22872, 26684, 40026, 45744, 53368, 65851, 80052, 106736, 131702, 160104, 197553, 263404, 320208, 395106, 460957, 526808, 790212, 921914, 1053616, 1382871, 1580424, 1843828, 2765742, 3160848, 3687656, 5531484, 7375312, 11062968, 22125936, 62756003, 125512006, 188268009, 251024012, 376536018, 439292021, 502048024, 753072036, 878584042, 1004096048, 1317876063, 1506144072, 1757168084, 2635752126, 3012288144, 3514336168, 5271504252, 7028672336, 10543008504, 21086017008]

約数ペア:

[(1, 21086017008), (2, 10543008504), (3, 7028672336), (4, 5271504252), (6, 3514336168), (7, 3012288144), (8, 2635752126), (12, 1757168084), (14, 1506144072), (16, 1317876063), (21, 1004096048), (24, 878584042), (28, 753072036), (42, 502048024), (48, 439292021), (56, 376536018), (84, 251024012), (112, 188268009), (168, 125512006), (336, 62756003), (953, 22125936), (1906, 11062968), (2859, 7375312), (3812, 5531484), (5718, 3687656), (6671, 3160848), (7624, 2765742), (11436, 1843828), (13342, 1580424), (15248, 1382871), (20013, 1053616), (22872, 921914), (26684, 790212), (40026, 526808), (45744, 460957), (53368, 395106), (65851, 320208), (80052, 263404), (106736, 197553), (131702, 160104)]