21375360

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1237}}^1$

素因数の和:1265

約数の個数: 128

約数和(自身を含む): 75765600

約数和(自身を除く): 54390240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1237, 1440, 1728, 1920, 2160, 2474, 2880, 3456, 3711, 4320, 4948, 5760, 6185, 7422, 8640, 9896, 11133, 12370, 14844, 17280, 18555, 19792, 22266, 24740, 29688, 33399, 37110, 39584, 44532, 49480, 55665, 59376, 66798, 74220, 79168, 89064, 98960, 111330, 118752, 133596, 148440, 158336, 166995, 178128, 197920, 222660, 237504, 267192, 296880, 333990, 356256, 395840, 445320, 475008, 534384, 593760, 667980, 712512, 791680, 890640, 1068768, 1187520, 1335960, 1425024, 1781280, 2137536, 2375040, 2671920, 3562560, 4275072, 5343840, 7125120, 10687680, 21375360]

約数ペア:

[(1, 21375360), (2, 10687680), (3, 7125120), (4, 5343840), (5, 4275072), (6, 3562560), (8, 2671920), (9, 2375040), (10, 2137536), (12, 1781280), (15, 1425024), (16, 1335960), (18, 1187520), (20, 1068768), (24, 890640), (27, 791680), (30, 712512), (32, 667980), (36, 593760), (40, 534384), (45, 475008), (48, 445320), (54, 395840), (60, 356256), (64, 333990), (72, 296880), (80, 267192), (90, 237504), (96, 222660), (108, 197920), (120, 178128), (128, 166995), (135, 158336), (144, 148440), (160, 133596), (180, 118752), (192, 111330), (216, 98960), (240, 89064), (270, 79168), (288, 74220), (320, 66798), (360, 59376), (384, 55665), (432, 49480), (480, 44532), (540, 39584), (576, 37110), (640, 33399), (720, 29688), (864, 24740), (960, 22266), (1080, 19792), (1152, 18555), (1237, 17280), (1440, 14844), (1728, 12370), (1920, 11133), (2160, 9896), (2474, 8640), (2880, 7422), (3456, 6185), (3711, 5760), (4320, 4948)]