21999360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 74614176

約数和(自身を除く): 52614816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 337, 340, 384, 408, 480, 510, 544, 640, 674, 680, 768, 816, 960, 1011, 1020, 1088, 1280, 1348, 1360, 1632, 1685, 1920, 2022, 2040, 2176, 2696, 2720, 3264, 3370, 3840, 4044, 4080, 4352, 5055, 5392, 5440, 5729, 6528, 6740, 8088, 8160, 10110, 10784, 10880, 11458, 13056, 13480, 16176, 16320, 17187, 20220, 21568, 21760, 22916, 26960, 28645, 32352, 32640, 34374, 40440, 43136, 45832, 53920, 57290, 64704, 65280, 68748, 80880, 85935, 86272, 91664, 107840, 114580, 129408, 137496, 161760, 171870, 183328, 215680, 229160, 258816, 274992, 323520, 343740, 366656, 431360, 458320, 549984, 647040, 687480, 733312, 916640, 1099968, 1294080, 1374960, 1466624, 1833280, 2199936, 2749920, 3666560, 4399872, 5499840, 7333120, 10999680, 21999360]

約数ペア:

[(1, 21999360), (2, 10999680), (3, 7333120), (4, 5499840), (5, 4399872), (6, 3666560), (8, 2749920), (10, 2199936), (12, 1833280), (15, 1466624), (16, 1374960), (17, 1294080), (20, 1099968), (24, 916640), (30, 733312), (32, 687480), (34, 647040), (40, 549984), (48, 458320), (51, 431360), (60, 366656), (64, 343740), (68, 323520), (80, 274992), (85, 258816), (96, 229160), (102, 215680), (120, 183328), (128, 171870), (136, 161760), (160, 137496), (170, 129408), (192, 114580), (204, 107840), (240, 91664), (255, 86272), (256, 85935), (272, 80880), (320, 68748), (337, 65280), (340, 64704), (384, 57290), (408, 53920), (480, 45832), (510, 43136), (544, 40440), (640, 34374), (674, 32640), (680, 32352), (768, 28645), (816, 26960), (960, 22916), (1011, 21760), (1020, 21568), (1088, 20220), (1280, 17187), (1348, 16320), (1360, 16176), (1632, 13480), (1685, 13056), (1920, 11458), (2022, 10880), (2040, 10784), (2176, 10110), (2696, 8160), (2720, 8088), (3264, 6740), (3370, 6528), (3840, 5729), (4044, 5440), (4080, 5392), (4352, 5055)]