21584880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3331}}^1$

素因数の和:3356

約数の個数: 100

約数和(自身を含む): 74989992

約数和(自身を除く): 53405112

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, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 3331, 6480, 6662, 9993, 13324, 16655, 19986, 26648, 29979, 33310, 39972, 49965, 53296, 59958, 66620, 79944, 89937, 99930, 119916, 133240, 149895, 159888, 179874, 199860, 239832, 266480, 269811, 299790, 359748, 399720, 449685, 479664, 539622, 599580, 719496, 799440, 899370, 1079244, 1199160, 1349055, 1438992, 1798740, 2158488, 2398320, 2698110, 3597480, 4316976, 5396220, 7194960, 10792440, 21584880]

約数ペア:

[(1, 21584880), (2, 10792440), (3, 7194960), (4, 5396220), (5, 4316976), (6, 3597480), (8, 2698110), (9, 2398320), (10, 2158488), (12, 1798740), (15, 1438992), (16, 1349055), (18, 1199160), (20, 1079244), (24, 899370), (27, 799440), (30, 719496), (36, 599580), (40, 539622), (45, 479664), (48, 449685), (54, 399720), (60, 359748), (72, 299790), (80, 269811), (81, 266480), (90, 239832), (108, 199860), (120, 179874), (135, 159888), (144, 149895), (162, 133240), (180, 119916), (216, 99930), (240, 89937), (270, 79944), (324, 66620), (360, 59958), (405, 53296), (432, 49965), (540, 39972), (648, 33310), (720, 29979), (810, 26648), (1080, 19986), (1296, 16655), (1620, 13324), (2160, 9993), (3240, 6662), (3331, 6480)]