21153120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 67350528

約数和(自身を除く): 46197408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 127, 160, 240, 254, 347, 381, 480, 508, 635, 694, 762, 1016, 1041, 1270, 1388, 1524, 1735, 1905, 2032, 2082, 2540, 2776, 3048, 3470, 3810, 4064, 4164, 5080, 5205, 5552, 6096, 6940, 7620, 8328, 10160, 10410, 11104, 12192, 13880, 15240, 16656, 20320, 20820, 27760, 30480, 33312, 41640, 44069, 55520, 60960, 83280, 88138, 132207, 166560, 176276, 220345, 264414, 352552, 440690, 528828, 661035, 705104, 881380, 1057656, 1322070, 1410208, 1762760, 2115312, 2644140, 3525520, 4230624, 5288280, 7051040, 10576560, 21153120]

約数ペア:

[(1, 21153120), (2, 10576560), (3, 7051040), (4, 5288280), (5, 4230624), (6, 3525520), (8, 2644140), (10, 2115312), (12, 1762760), (15, 1410208), (16, 1322070), (20, 1057656), (24, 881380), (30, 705104), (32, 661035), (40, 528828), (48, 440690), (60, 352552), (80, 264414), (96, 220345), (120, 176276), (127, 166560), (160, 132207), (240, 88138), (254, 83280), (347, 60960), (381, 55520), (480, 44069), (508, 41640), (635, 33312), (694, 30480), (762, 27760), (1016, 20820), (1041, 20320), (1270, 16656), (1388, 15240), (1524, 13880), (1735, 12192), (1905, 11104), (2032, 10410), (2082, 10160), (2540, 8328), (2776, 7620), (3048, 6940), (3470, 6096), (3810, 5552), (4064, 5205), (4164, 5080)]