21573120

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{53}}^2$

素因数の和:132

約数の個数: 120

約数和(自身を含む): 70292376

約数和(自身を除く): 48719256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 256, 265, 318, 320, 384, 424, 480, 512, 530, 636, 640, 768, 795, 848, 960, 1060, 1272, 1280, 1536, 1590, 1696, 1920, 2120, 2544, 2560, 2809, 3180, 3392, 3840, 4240, 5088, 5618, 6360, 6784, 7680, 8427, 8480, 10176, 11236, 12720, 13568, 14045, 16854, 16960, 20352, 22472, 25440, 27136, 28090, 33708, 33920, 40704, 42135, 44944, 50880, 56180, 67416, 67840, 81408, 84270, 89888, 101760, 112360, 134832, 135680, 168540, 179776, 203520, 224720, 269664, 337080, 359552, 407040, 449440, 539328, 674160, 719104, 898880, 1078656, 1348320, 1438208, 1797760, 2157312, 2696640, 3595520, 4314624, 5393280, 7191040, 10786560, 21573120]

約数ペア:

[(1, 21573120), (2, 10786560), (3, 7191040), (4, 5393280), (5, 4314624), (6, 3595520), (8, 2696640), (10, 2157312), (12, 1797760), (15, 1438208), (16, 1348320), (20, 1078656), (24, 898880), (30, 719104), (32, 674160), (40, 539328), (48, 449440), (53, 407040), (60, 359552), (64, 337080), (80, 269664), (96, 224720), (106, 203520), (120, 179776), (128, 168540), (159, 135680), (160, 134832), (192, 112360), (212, 101760), (240, 89888), (256, 84270), (265, 81408), (318, 67840), (320, 67416), (384, 56180), (424, 50880), (480, 44944), (512, 42135), (530, 40704), (636, 33920), (640, 33708), (768, 28090), (795, 27136), (848, 25440), (960, 22472), (1060, 20352), (1272, 16960), (1280, 16854), (1536, 14045), (1590, 13568), (1696, 12720), (1920, 11236), (2120, 10176), (2544, 8480), (2560, 8427), (2809, 7680), (3180, 6784), (3392, 6360), (3840, 5618), (4240, 5088)]