21858660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 69765696

約数和(自身を除く): 47907036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 103, 108, 131, 135, 162, 180, 206, 262, 270, 309, 324, 393, 405, 412, 515, 524, 540, 618, 655, 786, 810, 927, 1030, 1179, 1236, 1310, 1545, 1572, 1620, 1854, 1965, 2060, 2358, 2620, 2781, 3090, 3537, 3708, 3930, 4635, 4716, 5562, 5895, 6180, 7074, 7860, 8343, 9270, 10611, 11124, 11790, 13493, 13905, 14148, 16686, 17685, 18540, 21222, 23580, 26986, 27810, 33372, 35370, 40479, 41715, 42444, 53055, 53972, 55620, 67465, 70740, 80958, 83430, 106110, 121437, 134930, 161916, 166860, 202395, 212220, 242874, 269860, 364311, 404790, 485748, 607185, 728622, 809580, 1092933, 1214370, 1457244, 1821555, 2185866, 2428740, 3643110, 4371732, 5464665, 7286220, 10929330, 21858660]

約数ペア:

[(1, 21858660), (2, 10929330), (3, 7286220), (4, 5464665), (5, 4371732), (6, 3643110), (9, 2428740), (10, 2185866), (12, 1821555), (15, 1457244), (18, 1214370), (20, 1092933), (27, 809580), (30, 728622), (36, 607185), (45, 485748), (54, 404790), (60, 364311), (81, 269860), (90, 242874), (103, 212220), (108, 202395), (131, 166860), (135, 161916), (162, 134930), (180, 121437), (206, 106110), (262, 83430), (270, 80958), (309, 70740), (324, 67465), (393, 55620), (405, 53972), (412, 53055), (515, 42444), (524, 41715), (540, 40479), (618, 35370), (655, 33372), (786, 27810), (810, 26986), (927, 23580), (1030, 21222), (1179, 18540), (1236, 17685), (1310, 16686), (1545, 14148), (1572, 13905), (1620, 13493), (1854, 11790), (1965, 11124), (2060, 10611), (2358, 9270), (2620, 8343), (2781, 7860), (3090, 7074), (3537, 6180), (3708, 5895), (3930, 5562), (4635, 4716)]