21375200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1$

素因数の和:385

約数の個数: 144

約数和(自身を含む): 65245824

約数和(自身を除く): 43870624

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 160, 175, 176, 200, 220, 224, 275, 280, 308, 347, 350, 352, 385, 400, 440, 550, 560, 616, 694, 700, 770, 800, 880, 1100, 1120, 1232, 1388, 1400, 1540, 1735, 1760, 1925, 2200, 2429, 2464, 2776, 2800, 3080, 3470, 3817, 3850, 4400, 4858, 5552, 5600, 6160, 6940, 7634, 7700, 8675, 8800, 9716, 11104, 12145, 12320, 13880, 15268, 15400, 17350, 19085, 19432, 24290, 26719, 27760, 30536, 30800, 34700, 38170, 38864, 48580, 53438, 55520, 60725, 61072, 61600, 69400, 76340, 77728, 95425, 97160, 106876, 121450, 122144, 133595, 138800, 152680, 190850, 194320, 213752, 242900, 267190, 277600, 305360, 381700, 388640, 427504, 485800, 534380, 610720, 667975, 763400, 855008, 971600, 1068760, 1335950, 1526800, 1943200, 2137520, 2671900, 3053600, 4275040, 5343800, 10687600, 21375200]

約数ペア:

[(1, 21375200), (2, 10687600), (4, 5343800), (5, 4275040), (7, 3053600), (8, 2671900), (10, 2137520), (11, 1943200), (14, 1526800), (16, 1335950), (20, 1068760), (22, 971600), (25, 855008), (28, 763400), (32, 667975), (35, 610720), (40, 534380), (44, 485800), (50, 427504), (55, 388640), (56, 381700), (70, 305360), (77, 277600), (80, 267190), (88, 242900), (100, 213752), (110, 194320), (112, 190850), (140, 152680), (154, 138800), (160, 133595), (175, 122144), (176, 121450), (200, 106876), (220, 97160), (224, 95425), (275, 77728), (280, 76340), (308, 69400), (347, 61600), (350, 61072), (352, 60725), (385, 55520), (400, 53438), (440, 48580), (550, 38864), (560, 38170), (616, 34700), (694, 30800), (700, 30536), (770, 27760), (800, 26719), (880, 24290), (1100, 19432), (1120, 19085), (1232, 17350), (1388, 15400), (1400, 15268), (1540, 13880), (1735, 12320), (1760, 12145), (1925, 11104), (2200, 9716), (2429, 8800), (2464, 8675), (2776, 7700), (2800, 7634), (3080, 6940), (3470, 6160), (3817, 5600), (3850, 5552), (4400, 4858)]