21404160

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{929}}^1$

素因数の和:958

約数の個数: 120

約数和(自身を含む): 74208420

約数和(自身を除く): 52804260

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, 480, 512, 576, 640, 720, 768, 929, 960, 1152, 1280, 1440, 1536, 1858, 1920, 2304, 2560, 2787, 2880, 3716, 3840, 4608, 4645, 5574, 5760, 7432, 7680, 8361, 9290, 11148, 11520, 13935, 14864, 16722, 18580, 22296, 23040, 27870, 29728, 33444, 37160, 41805, 44592, 55740, 59456, 66888, 74320, 83610, 89184, 111480, 118912, 133776, 148640, 167220, 178368, 222960, 237824, 267552, 297280, 334440, 356736, 445920, 475648, 535104, 594560, 668880, 713472, 891840, 1070208, 1189120, 1337760, 1426944, 1783680, 2140416, 2378240, 2675520, 3567360, 4280832, 5351040, 7134720, 10702080, 21404160]

約数ペア:

[(1, 21404160), (2, 10702080), (3, 7134720), (4, 5351040), (5, 4280832), (6, 3567360), (8, 2675520), (9, 2378240), (10, 2140416), (12, 1783680), (15, 1426944), (16, 1337760), (18, 1189120), (20, 1070208), (24, 891840), (30, 713472), (32, 668880), (36, 594560), (40, 535104), (45, 475648), (48, 445920), (60, 356736), (64, 334440), (72, 297280), (80, 267552), (90, 237824), (96, 222960), (120, 178368), (128, 167220), (144, 148640), (160, 133776), (180, 118912), (192, 111480), (240, 89184), (256, 83610), (288, 74320), (320, 66888), (360, 59456), (384, 55740), (480, 44592), (512, 41805), (576, 37160), (640, 33444), (720, 29728), (768, 27870), (929, 23040), (960, 22296), (1152, 18580), (1280, 16722), (1440, 14864), (1536, 13935), (1858, 11520), (1920, 11148), (2304, 9290), (2560, 8361), (2787, 7680), (2880, 7432), (3716, 5760), (3840, 5574), (4608, 4645)]