21027339840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1684883}}^1$

素因数の和:1684916

約数の個数: 112

約数和(自身を含む): 71897370048

約数和(自身を除く): 50870030208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 1684883, 3369766, 5054649, 6739532, 8424415, 10109298, 13479064, 16848830, 20218596, 21903479, 25273245, 26958128, 33697660, 40437192, 43806958, 50546490, 53916256, 65710437, 67395320, 80874384, 87613916, 101092980, 107832512, 109517395, 131420874, 134790640, 161748768, 175227832, 202185960, 219034790, 262841748, 269581280, 323497536, 328552185, 350455664, 404371920, 438069580, 525683496, 539162560, 657104370, 700911328, 808743840, 876139160, 1051366992, 1314208740, 1401822656, 1617487680, 1752278320, 2102733984, 2628417480, 3504556640, 4205467968, 5256834960, 7009113280, 10513669920, 21027339840]

約数ペア:

[(1, 21027339840), (2, 10513669920), (3, 7009113280), (4, 5256834960), (5, 4205467968), (6, 3504556640), (8, 2628417480), (10, 2102733984), (12, 1752278320), (13, 1617487680), (15, 1401822656), (16, 1314208740), (20, 1051366992), (24, 876139160), (26, 808743840), (30, 700911328), (32, 657104370), (39, 539162560), (40, 525683496), (48, 438069580), (52, 404371920), (60, 350455664), (64, 328552185), (65, 323497536), (78, 269581280), (80, 262841748), (96, 219034790), (104, 202185960), (120, 175227832), (130, 161748768), (156, 134790640), (160, 131420874), (192, 109517395), (195, 107832512), (208, 101092980), (240, 87613916), (260, 80874384), (312, 67395320), (320, 65710437), (390, 53916256), (416, 50546490), (480, 43806958), (520, 40437192), (624, 33697660), (780, 26958128), (832, 25273245), (960, 21903479), (1040, 20218596), (1248, 16848830), (1560, 13479064), (2080, 10109298), (2496, 8424415), (3120, 6739532), (4160, 5054649), (6240, 3369766), (12480, 1684883)]