21079680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10979}}^1$

素因数の和:11001

約数の個数: 64

約数和(自身を含む): 67197600

約数和(自身を除く): 46117920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10979, 21958, 32937, 43916, 54895, 65874, 87832, 109790, 131748, 164685, 175664, 219580, 263496, 329370, 351328, 439160, 526992, 658740, 702656, 878320, 1053984, 1317480, 1405312, 1756640, 2107968, 2634960, 3513280, 4215936, 5269920, 7026560, 10539840, 21079680]

約数ペア:

[(1, 21079680), (2, 10539840), (3, 7026560), (4, 5269920), (5, 4215936), (6, 3513280), (8, 2634960), (10, 2107968), (12, 1756640), (15, 1405312), (16, 1317480), (20, 1053984), (24, 878320), (30, 702656), (32, 658740), (40, 526992), (48, 439160), (60, 351328), (64, 329370), (80, 263496), (96, 219580), (120, 175664), (128, 164685), (160, 131748), (192, 109790), (240, 87832), (320, 65874), (384, 54895), (480, 43916), (640, 32937), (960, 21958), (1920, 10979)]