21111000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 68290560

約数和(自身を除く): 47179560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 31, 40, 50, 60, 62, 75, 93, 100, 120, 124, 125, 150, 155, 186, 200, 227, 248, 250, 300, 310, 372, 375, 454, 465, 500, 600, 620, 681, 744, 750, 775, 908, 930, 1000, 1135, 1240, 1362, 1500, 1550, 1816, 1860, 2270, 2325, 2724, 3000, 3100, 3405, 3720, 3875, 4540, 4650, 5448, 5675, 6200, 6810, 7037, 7750, 9080, 9300, 11350, 11625, 13620, 14074, 15500, 17025, 18600, 21111, 22700, 23250, 27240, 28148, 28375, 31000, 34050, 35185, 42222, 45400, 46500, 56296, 56750, 68100, 70370, 84444, 85125, 93000, 105555, 113500, 136200, 140740, 168888, 170250, 175925, 211110, 227000, 281480, 340500, 351850, 422220, 527775, 681000, 703700, 844440, 879625, 1055550, 1407400, 1759250, 2111100, 2638875, 3518500, 4222200, 5277750, 7037000, 10555500, 21111000]

約数ペア:

[(1, 21111000), (2, 10555500), (3, 7037000), (4, 5277750), (5, 4222200), (6, 3518500), (8, 2638875), (10, 2111100), (12, 1759250), (15, 1407400), (20, 1055550), (24, 879625), (25, 844440), (30, 703700), (31, 681000), (40, 527775), (50, 422220), (60, 351850), (62, 340500), (75, 281480), (93, 227000), (100, 211110), (120, 175925), (124, 170250), (125, 168888), (150, 140740), (155, 136200), (186, 113500), (200, 105555), (227, 93000), (248, 85125), (250, 84444), (300, 70370), (310, 68100), (372, 56750), (375, 56296), (454, 46500), (465, 45400), (500, 42222), (600, 35185), (620, 34050), (681, 31000), (744, 28375), (750, 28148), (775, 27240), (908, 23250), (930, 22700), (1000, 21111), (1135, 18600), (1240, 17025), (1362, 15500), (1500, 14074), (1550, 13620), (1816, 11625), (1860, 11350), (2270, 9300), (2325, 9080), (2724, 7750), (3000, 7037), (3100, 6810), (3405, 6200), (3720, 5675), (3875, 5448), (4540, 4650)]