21212160

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1381}}^1$

素因数の和:1409

約数の個数: 88

約数和(自身を含む): 67894896

約数和(自身を除く): 46682736

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, 1381, 1536, 1920, 2560, 2762, 3072, 3840, 4143, 5120, 5524, 6905, 7680, 8286, 11048, 13810, 15360, 16572, 20715, 22096, 27620, 33144, 41430, 44192, 55240, 66288, 82860, 88384, 110480, 132576, 165720, 176768, 220960, 265152, 331440, 353536, 441920, 530304, 662880, 707072, 883840, 1060608, 1325760, 1414144, 1767680, 2121216, 2651520, 3535360, 4242432, 5303040, 7070720, 10606080, 21212160]

約数ペア:

[(1, 21212160), (2, 10606080), (3, 7070720), (4, 5303040), (5, 4242432), (6, 3535360), (8, 2651520), (10, 2121216), (12, 1767680), (15, 1414144), (16, 1325760), (20, 1060608), (24, 883840), (30, 707072), (32, 662880), (40, 530304), (48, 441920), (60, 353536), (64, 331440), (80, 265152), (96, 220960), (120, 176768), (128, 165720), (160, 132576), (192, 110480), (240, 88384), (256, 82860), (320, 66288), (384, 55240), (480, 44192), (512, 41430), (640, 33144), (768, 27620), (960, 22096), (1024, 20715), (1280, 16572), (1381, 15360), (1536, 13810), (1920, 11048), (2560, 8286), (2762, 7680), (3072, 6905), (3840, 5524), (4143, 5120)]