21100800

素因数分解:

$2^8\times 3^1\times 5^2\times 7^1\times {\mathrm{157}}^1$

素因数の和:193

約数の個数: 216

約数和(自身を含む): 80092096

約数和(自身を除く): 58991296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 128, 140, 150, 157, 160, 168, 175, 192, 200, 210, 224, 240, 256, 280, 300, 314, 320, 336, 350, 384, 400, 420, 448, 471, 480, 525, 560, 600, 628, 640, 672, 700, 768, 785, 800, 840, 896, 942, 960, 1050, 1099, 1120, 1200, 1256, 1280, 1344, 1400, 1570, 1600, 1680, 1792, 1884, 1920, 2100, 2198, 2240, 2355, 2400, 2512, 2688, 2800, 3140, 3200, 3297, 3360, 3768, 3840, 3925, 4200, 4396, 4480, 4710, 4800, 5024, 5376, 5495, 5600, 6280, 6400, 6594, 6720, 7536, 7850, 8400, 8792, 8960, 9420, 9600, 10048, 10990, 11200, 11775, 12560, 13188, 13440, 15072, 15700, 16485, 16800, 17584, 18840, 19200, 20096, 21980, 22400, 23550, 25120, 26376, 26880, 27475, 30144, 31400, 32970, 33600, 35168, 37680, 40192, 43960, 44800, 47100, 50240, 52752, 54950, 60288, 62800, 65940, 67200, 70336, 75360, 82425, 87920, 94200, 100480, 105504, 109900, 120576, 125600, 131880, 134400, 140672, 150720, 164850, 175840, 188400, 200960, 211008, 219800, 251200, 263760, 281344, 301440, 329700, 351680, 376800, 422016, 439600, 502400, 527520, 602880, 659400, 703360, 753600, 844032, 879200, 1004800, 1055040, 1318800, 1406720, 1507200, 1758400, 2110080, 2637600, 3014400, 3516800, 4220160, 5275200, 7033600, 10550400, 21100800]

約数ペア:

[(1, 21100800), (2, 10550400), (3, 7033600), (4, 5275200), (5, 4220160), (6, 3516800), (7, 3014400), (8, 2637600), (10, 2110080), (12, 1758400), (14, 1507200), (15, 1406720), (16, 1318800), (20, 1055040), (21, 1004800), (24, 879200), (25, 844032), (28, 753600), (30, 703360), (32, 659400), (35, 602880), (40, 527520), (42, 502400), (48, 439600), (50, 422016), (56, 376800), (60, 351680), (64, 329700), (70, 301440), (75, 281344), (80, 263760), (84, 251200), (96, 219800), (100, 211008), (105, 200960), (112, 188400), (120, 175840), (128, 164850), (140, 150720), (150, 140672), (157, 134400), (160, 131880), (168, 125600), (175, 120576), (192, 109900), (200, 105504), (210, 100480), (224, 94200), (240, 87920), (256, 82425), (280, 75360), (300, 70336), (314, 67200), (320, 65940), (336, 62800), (350, 60288), (384, 54950), (400, 52752), (420, 50240), (448, 47100), (471, 44800), (480, 43960), (525, 40192), (560, 37680), (600, 35168), (628, 33600), (640, 32970), (672, 31400), (700, 30144), (768, 27475), (785, 26880), (800, 26376), (840, 25120), (896, 23550), (942, 22400), (960, 21980), (1050, 20096), (1099, 19200), (1120, 18840), (1200, 17584), (1256, 16800), (1280, 16485), (1344, 15700), (1400, 15072), (1570, 13440), (1600, 13188), (1680, 12560), (1792, 11775), (1884, 11200), (1920, 10990), (2100, 10048), (2198, 9600), (2240, 9420), (2355, 8960), (2400, 8792), (2512, 8400), (2688, 7850), (2800, 7536), (3140, 6720), (3200, 6594), (3297, 6400), (3360, 6280), (3768, 5600), (3840, 5495), (3925, 5376), (4200, 5024), (4396, 4800), (4480, 4710)]