21076080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:794

約数の個数: 80

約数和(自身を含む): 65915424

約数和(自身を除く): 44839344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 641, 685, 822, 1096, 1282, 1370, 1644, 1923, 2055, 2192, 2564, 2740, 3205, 3288, 3846, 4110, 5128, 5480, 6410, 6576, 7692, 8220, 9615, 10256, 10960, 12820, 15384, 16440, 19230, 25640, 30768, 32880, 38460, 51280, 76920, 87817, 153840, 175634, 263451, 351268, 439085, 526902, 702536, 878170, 1053804, 1317255, 1405072, 1756340, 2107608, 2634510, 3512680, 4215216, 5269020, 7025360, 10538040, 21076080]

約数ペア:

[(1, 21076080), (2, 10538040), (3, 7025360), (4, 5269020), (5, 4215216), (6, 3512680), (8, 2634510), (10, 2107608), (12, 1756340), (15, 1405072), (16, 1317255), (20, 1053804), (24, 878170), (30, 702536), (40, 526902), (48, 439085), (60, 351268), (80, 263451), (120, 175634), (137, 153840), (240, 87817), (274, 76920), (411, 51280), (548, 38460), (641, 32880), (685, 30768), (822, 25640), (1096, 19230), (1282, 16440), (1370, 15384), (1644, 12820), (1923, 10960), (2055, 10256), (2192, 9615), (2564, 8220), (2740, 7692), (3205, 6576), (3288, 6410), (3846, 5480), (4110, 5128)]