21044880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9743}}^1$

素因数の和:9765

約数の個数: 80

約数和(自身を含む): 72495360

約数和(自身を除く): 51450480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9743, 19486, 29229, 38972, 48715, 58458, 77944, 87687, 97430, 116916, 146145, 155888, 175374, 194860, 233832, 263061, 292290, 350748, 389720, 438435, 467664, 526122, 584580, 701496, 779440, 876870, 1052244, 1169160, 1315305, 1402992, 1753740, 2104488, 2338320, 2630610, 3507480, 4208976, 5261220, 7014960, 10522440, 21044880]

約数ペア:

[(1, 21044880), (2, 10522440), (3, 7014960), (4, 5261220), (5, 4208976), (6, 3507480), (8, 2630610), (9, 2338320), (10, 2104488), (12, 1753740), (15, 1402992), (16, 1315305), (18, 1169160), (20, 1052244), (24, 876870), (27, 779440), (30, 701496), (36, 584580), (40, 526122), (45, 467664), (48, 438435), (54, 389720), (60, 350748), (72, 292290), (80, 263061), (90, 233832), (108, 194860), (120, 175374), (135, 155888), (144, 146145), (180, 116916), (216, 97430), (240, 87687), (270, 77944), (360, 58458), (432, 48715), (540, 38972), (720, 29229), (1080, 19486), (2160, 9743)]