21087141120

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1830481}}^1$

素因数の和:1830508

約数の個数: 108

約数和(自身を含む): 72959351556

約数和(自身を除く): 51872210436

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 1830481, 3660962, 5491443, 7321924, 9152405, 10982886, 14643848, 16474329, 18304810, 21965772, 27457215, 29287696, 32948658, 36609620, 43931544, 54914430, 58575392, 65897316, 73219240, 82371645, 87863088, 109828860, 117150784, 131794632, 146438480, 164743290, 175726176, 219657720, 234301568, 263589264, 292876960, 329486580, 351452352, 439315440, 468603136, 527178528, 585753920, 658973160, 702904704, 878630880, 1054357056, 1171507840, 1317946320, 1405809408, 1757261760, 2108714112, 2343015680, 2635892640, 3514523520, 4217428224, 5271785280, 7029047040, 10543570560, 21087141120]

約数ペア:

[(1, 21087141120), (2, 10543570560), (3, 7029047040), (4, 5271785280), (5, 4217428224), (6, 3514523520), (8, 2635892640), (9, 2343015680), (10, 2108714112), (12, 1757261760), (15, 1405809408), (16, 1317946320), (18, 1171507840), (20, 1054357056), (24, 878630880), (30, 702904704), (32, 658973160), (36, 585753920), (40, 527178528), (45, 468603136), (48, 439315440), (60, 351452352), (64, 329486580), (72, 292876960), (80, 263589264), (90, 234301568), (96, 219657720), (120, 175726176), (128, 164743290), (144, 146438480), (160, 131794632), (180, 117150784), (192, 109828860), (240, 87863088), (256, 82371645), (288, 73219240), (320, 65897316), (360, 58575392), (384, 54914430), (480, 43931544), (576, 36609620), (640, 32948658), (720, 29287696), (768, 27457215), (960, 21965772), (1152, 18304810), (1280, 16474329), (1440, 14643848), (1920, 10982886), (2304, 9152405), (2880, 7321924), (3840, 5491443), (5760, 3660962), (11520, 1830481)]