21086171640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{9767}}^1$

素因数の和:11786

約数の個数: 128

約数和(自身を含む): 70329600000

約数和(自身を除く): 49243428360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 1999, 3998, 5997, 7996, 9767, 9995, 11994, 15992, 17991, 19534, 19990, 23988, 29301, 29985, 35982, 39068, 39980, 47976, 48835, 53973, 58602, 59970, 71964, 78136, 79960, 87903, 89955, 97670, 107946, 117204, 119940, 143928, 146505, 175806, 179910, 195340, 215892, 234408, 239880, 263709, 269865, 293010, 351612, 359820, 390680, 431784, 439515, 527418, 539730, 586020, 703224, 719640, 879030, 1054836, 1079460, 1172040, 1318545, 1758060, 2109672, 2158920, 2637090, 3516120, 5274180, 10548360, 19524233, 39048466, 58572699, 78096932, 97621165, 117145398, 156193864, 175718097, 195242330, 234290796, 292863495, 351436194, 390484660, 468581592, 527154291, 585726990, 702872388, 780969320, 878590485, 1054308582, 1171453980, 1405744776, 1757180970, 2108617164, 2342907960, 2635771455, 3514361940, 4217234328, 5271542910, 7028723880, 10543085820, 21086171640]

約数ペア:

[(1, 21086171640), (2, 10543085820), (3, 7028723880), (4, 5271542910), (5, 4217234328), (6, 3514361940), (8, 2635771455), (9, 2342907960), (10, 2108617164), (12, 1757180970), (15, 1405744776), (18, 1171453980), (20, 1054308582), (24, 878590485), (27, 780969320), (30, 702872388), (36, 585726990), (40, 527154291), (45, 468581592), (54, 390484660), (60, 351436194), (72, 292863495), (90, 234290796), (108, 195242330), (120, 175718097), (135, 156193864), (180, 117145398), (216, 97621165), (270, 78096932), (360, 58572699), (540, 39048466), (1080, 19524233), (1999, 10548360), (3998, 5274180), (5997, 3516120), (7996, 2637090), (9767, 2158920), (9995, 2109672), (11994, 1758060), (15992, 1318545), (17991, 1172040), (19534, 1079460), (19990, 1054836), (23988, 879030), (29301, 719640), (29985, 703224), (35982, 586020), (39068, 539730), (39980, 527418), (47976, 439515), (48835, 431784), (53973, 390680), (58602, 359820), (59970, 351612), (71964, 293010), (78136, 269865), (79960, 263709), (87903, 239880), (89955, 234408), (97670, 215892), (107946, 195340), (117204, 179910), (119940, 175806), (143928, 146505)]