21501219840

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1399819}}^1$

素因数の和:1399847

約数の個数: 88

約数和(自身を含む): 68770356960

約数和(自身を除く): 47269137120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 1399819, 2799638, 4199457, 5599276, 6999095, 8398914, 11198552, 13998190, 16797828, 20997285, 22397104, 27996380, 33595656, 41994570, 44794208, 55992760, 67191312, 83989140, 89588416, 111985520, 134382624, 167978280, 179176832, 223971040, 268765248, 335956560, 358353664, 447942080, 537530496, 671913120, 716707328, 895884160, 1075060992, 1343826240, 1433414656, 1791768320, 2150121984, 2687652480, 3583536640, 4300243968, 5375304960, 7167073280, 10750609920, 21501219840]

約数ペア:

[(1, 21501219840), (2, 10750609920), (3, 7167073280), (4, 5375304960), (5, 4300243968), (6, 3583536640), (8, 2687652480), (10, 2150121984), (12, 1791768320), (15, 1433414656), (16, 1343826240), (20, 1075060992), (24, 895884160), (30, 716707328), (32, 671913120), (40, 537530496), (48, 447942080), (60, 358353664), (64, 335956560), (80, 268765248), (96, 223971040), (120, 179176832), (128, 167978280), (160, 134382624), (192, 111985520), (240, 89588416), (256, 83989140), (320, 67191312), (384, 55992760), (480, 44794208), (512, 41994570), (640, 33595656), (768, 27996380), (960, 22397104), (1024, 20997285), (1280, 16797828), (1536, 13998190), (1920, 11198552), (2560, 8398914), (3072, 6999095), (3840, 5599276), (5120, 4199457), (7680, 2799638), (15360, 1399819)]