21359800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 66067200

約数和(自身を除く): 44707400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 25, 28, 35, 38, 40, 44, 50, 55, 56, 70, 73, 76, 77, 88, 95, 100, 110, 133, 140, 146, 152, 154, 175, 190, 200, 209, 220, 266, 275, 280, 292, 308, 350, 365, 380, 385, 418, 440, 475, 511, 532, 550, 584, 616, 665, 700, 730, 760, 770, 803, 836, 950, 1022, 1045, 1064, 1100, 1330, 1387, 1400, 1460, 1463, 1540, 1606, 1672, 1825, 1900, 1925, 2044, 2090, 2200, 2555, 2660, 2774, 2920, 2926, 3080, 3212, 3325, 3650, 3800, 3850, 4015, 4088, 4180, 5110, 5225, 5320, 5548, 5621, 5852, 6424, 6650, 6935, 7300, 7315, 7700, 8030, 8360, 9709, 10220, 10450, 11096, 11242, 11704, 12775, 13300, 13870, 14600, 14630, 15257, 15400, 16060, 19418, 20075, 20440, 20900, 22484, 25550, 26600, 27740, 28105, 29260, 30514, 32120, 34675, 36575, 38836, 40150, 41800, 44968, 48545, 51100, 55480, 56210, 58520, 61028, 69350, 73150, 76285, 77672, 80300, 97090, 102200, 106799, 112420, 122056, 138700, 140525, 146300, 152570, 160600, 194180, 213598, 224840, 242725, 277400, 281050, 292600, 305140, 381425, 388360, 427196, 485450, 533995, 562100, 610280, 762850, 854392, 970900, 1067990, 1124200, 1525700, 1941800, 2135980, 2669975, 3051400, 4271960, 5339950, 10679900, 21359800]

約数ペア:

[(1, 21359800), (2, 10679900), (4, 5339950), (5, 4271960), (7, 3051400), (8, 2669975), (10, 2135980), (11, 1941800), (14, 1525700), (19, 1124200), (20, 1067990), (22, 970900), (25, 854392), (28, 762850), (35, 610280), (38, 562100), (40, 533995), (44, 485450), (50, 427196), (55, 388360), (56, 381425), (70, 305140), (73, 292600), (76, 281050), (77, 277400), (88, 242725), (95, 224840), (100, 213598), (110, 194180), (133, 160600), (140, 152570), (146, 146300), (152, 140525), (154, 138700), (175, 122056), (190, 112420), (200, 106799), (209, 102200), (220, 97090), (266, 80300), (275, 77672), (280, 76285), (292, 73150), (308, 69350), (350, 61028), (365, 58520), (380, 56210), (385, 55480), (418, 51100), (440, 48545), (475, 44968), (511, 41800), (532, 40150), (550, 38836), (584, 36575), (616, 34675), (665, 32120), (700, 30514), (730, 29260), (760, 28105), (770, 27740), (803, 26600), (836, 25550), (950, 22484), (1022, 20900), (1045, 20440), (1064, 20075), (1100, 19418), (1330, 16060), (1387, 15400), (1400, 15257), (1460, 14630), (1463, 14600), (1540, 13870), (1606, 13300), (1672, 12775), (1825, 11704), (1900, 11242), (1925, 11096), (2044, 10450), (2090, 10220), (2200, 9709), (2555, 8360), (2660, 8030), (2774, 7700), (2920, 7315), (2926, 7300), (3080, 6935), (3212, 6650), (3325, 6424), (3650, 5852), (3800, 5621), (3850, 5548), (4015, 5320), (4088, 5225), (4180, 5110)]