21509600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 62995968

約数和(自身を除く): 41486368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 160, 161, 167, 175, 184, 200, 224, 230, 280, 322, 334, 350, 368, 400, 460, 560, 575, 644, 668, 700, 736, 800, 805, 835, 920, 1120, 1150, 1169, 1288, 1336, 1400, 1610, 1670, 1840, 2300, 2338, 2576, 2672, 2800, 3220, 3340, 3680, 3841, 4025, 4175, 4600, 4676, 5152, 5344, 5600, 5845, 6440, 6680, 7682, 8050, 8350, 9200, 9352, 11690, 12880, 13360, 15364, 16100, 16700, 18400, 18704, 19205, 23380, 25760, 26720, 26887, 29225, 30728, 32200, 33400, 37408, 38410, 46760, 53774, 58450, 61456, 64400, 66800, 76820, 93520, 96025, 107548, 116900, 122912, 128800, 133600, 134435, 153640, 187040, 192050, 215096, 233800, 268870, 307280, 384100, 430192, 467600, 537740, 614560, 672175, 768200, 860384, 935200, 1075480, 1344350, 1536400, 2150960, 2688700, 3072800, 4301920, 5377400, 10754800, 21509600]

約数ペア:

[(1, 21509600), (2, 10754800), (4, 5377400), (5, 4301920), (7, 3072800), (8, 2688700), (10, 2150960), (14, 1536400), (16, 1344350), (20, 1075480), (23, 935200), (25, 860384), (28, 768200), (32, 672175), (35, 614560), (40, 537740), (46, 467600), (50, 430192), (56, 384100), (70, 307280), (80, 268870), (92, 233800), (100, 215096), (112, 192050), (115, 187040), (140, 153640), (160, 134435), (161, 133600), (167, 128800), (175, 122912), (184, 116900), (200, 107548), (224, 96025), (230, 93520), (280, 76820), (322, 66800), (334, 64400), (350, 61456), (368, 58450), (400, 53774), (460, 46760), (560, 38410), (575, 37408), (644, 33400), (668, 32200), (700, 30728), (736, 29225), (800, 26887), (805, 26720), (835, 25760), (920, 23380), (1120, 19205), (1150, 18704), (1169, 18400), (1288, 16700), (1336, 16100), (1400, 15364), (1610, 13360), (1670, 12880), (1840, 11690), (2300, 9352), (2338, 9200), (2576, 8350), (2672, 8050), (2800, 7682), (3220, 6680), (3340, 6440), (3680, 5845), (3841, 5600), (4025, 5344), (4175, 5152), (4600, 4676)]