21206184960

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1380611}}^1$

素因数の和:1380639

約数の個数: 88

約数和(自身を含む): 67826706336

約数和(自身を除く): 46620521376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 1380611, 2761222, 4141833, 5522444, 6903055, 8283666, 11044888, 13806110, 16567332, 20709165, 22089776, 27612220, 33134664, 41418330, 44179552, 55224440, 66269328, 82836660, 88359104, 110448880, 132538656, 165673320, 176718208, 220897760, 265077312, 331346640, 353436416, 441795520, 530154624, 662693280, 706872832, 883591040, 1060309248, 1325386560, 1413745664, 1767182080, 2120618496, 2650773120, 3534364160, 4241236992, 5301546240, 7068728320, 10603092480, 21206184960]

約数ペア:

[(1, 21206184960), (2, 10603092480), (3, 7068728320), (4, 5301546240), (5, 4241236992), (6, 3534364160), (8, 2650773120), (10, 2120618496), (12, 1767182080), (15, 1413745664), (16, 1325386560), (20, 1060309248), (24, 883591040), (30, 706872832), (32, 662693280), (40, 530154624), (48, 441795520), (60, 353436416), (64, 331346640), (80, 265077312), (96, 220897760), (120, 176718208), (128, 165673320), (160, 132538656), (192, 110448880), (240, 88359104), (256, 82836660), (320, 66269328), (384, 55224440), (480, 44179552), (512, 41418330), (640, 33134664), (768, 27612220), (960, 22089776), (1024, 20709165), (1280, 16567332), (1536, 13806110), (1920, 11044888), (2560, 8283666), (3072, 6903055), (3840, 5522444), (5120, 4141833), (7680, 2761222), (15360, 1380611)]