21519360

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{467}}^1$

素因数の和:498

約数の個数: 132

約数和(自身を含む): 74723688

約数和(自身を除く): 53204328

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, 467, 480, 512, 576, 640, 720, 768, 934, 960, 1024, 1152, 1280, 1401, 1440, 1536, 1868, 1920, 2304, 2335, 2560, 2802, 2880, 3072, 3736, 3840, 4203, 4608, 4670, 5120, 5604, 5760, 7005, 7472, 7680, 8406, 9216, 9340, 11208, 11520, 14010, 14944, 15360, 16812, 18680, 21015, 22416, 23040, 28020, 29888, 33624, 37360, 42030, 44832, 46080, 56040, 59776, 67248, 74720, 84060, 89664, 112080, 119552, 134496, 149440, 168120, 179328, 224160, 239104, 268992, 298880, 336240, 358656, 448320, 478208, 537984, 597760, 672480, 717312, 896640, 1075968, 1195520, 1344960, 1434624, 1793280, 2151936, 2391040, 2689920, 3586560, 4303872, 5379840, 7173120, 10759680, 21519360]

約数ペア:

[(1, 21519360), (2, 10759680), (3, 7173120), (4, 5379840), (5, 4303872), (6, 3586560), (8, 2689920), (9, 2391040), (10, 2151936), (12, 1793280), (15, 1434624), (16, 1344960), (18, 1195520), (20, 1075968), (24, 896640), (30, 717312), (32, 672480), (36, 597760), (40, 537984), (45, 478208), (48, 448320), (60, 358656), (64, 336240), (72, 298880), (80, 268992), (90, 239104), (96, 224160), (120, 179328), (128, 168120), (144, 149440), (160, 134496), (180, 119552), (192, 112080), (240, 89664), (256, 84060), (288, 74720), (320, 67248), (360, 59776), (384, 56040), (467, 46080), (480, 44832), (512, 42030), (576, 37360), (640, 33624), (720, 29888), (768, 28020), (934, 23040), (960, 22416), (1024, 21015), (1152, 18680), (1280, 16812), (1401, 15360), (1440, 14944), (1536, 14010), (1868, 11520), (1920, 11208), (2304, 9340), (2335, 9216), (2560, 8406), (2802, 7680), (2880, 7472), (3072, 7005), (3736, 5760), (3840, 5604), (4203, 5120), (4608, 4670)]