21534720

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{701}}^1$

素因数の和:731

約数の個数: 96

約数和(自身を含む): 68992560

約数和(自身を除く): 47457840

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, 701, 768, 960, 1024, 1280, 1402, 1536, 1920, 2048, 2103, 2560, 2804, 3072, 3505, 3840, 4206, 5120, 5608, 6144, 7010, 7680, 8412, 10240, 10515, 11216, 14020, 15360, 16824, 21030, 22432, 28040, 30720, 33648, 42060, 44864, 56080, 67296, 84120, 89728, 112160, 134592, 168240, 179456, 224320, 269184, 336480, 358912, 448640, 538368, 672960, 717824, 897280, 1076736, 1345920, 1435648, 1794560, 2153472, 2691840, 3589120, 4306944, 5383680, 7178240, 10767360, 21534720]

約数ペア:

[(1, 21534720), (2, 10767360), (3, 7178240), (4, 5383680), (5, 4306944), (6, 3589120), (8, 2691840), (10, 2153472), (12, 1794560), (15, 1435648), (16, 1345920), (20, 1076736), (24, 897280), (30, 717824), (32, 672960), (40, 538368), (48, 448640), (60, 358912), (64, 336480), (80, 269184), (96, 224320), (120, 179456), (128, 168240), (160, 134592), (192, 112160), (240, 89728), (256, 84120), (320, 67296), (384, 56080), (480, 44864), (512, 42060), (640, 33648), (701, 30720), (768, 28040), (960, 22432), (1024, 21030), (1280, 16824), (1402, 15360), (1536, 14020), (1920, 11216), (2048, 10515), (2103, 10240), (2560, 8412), (2804, 7680), (3072, 7010), (3505, 6144), (3840, 5608), (4206, 5120)]