21088896080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1783}}^1\times {\mathrm{21121}}^1$

素因数の和:22924

約数の個数: 80

約数和(自身を含む): 56070292224

約数和(自身を除く): 34981396144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1783, 3566, 7132, 8915, 12481, 14264, 17830, 21121, 24962, 28528, 35660, 42242, 49924, 62405, 71320, 84484, 99848, 105605, 124810, 142640, 147847, 168968, 199696, 211210, 249620, 295694, 337936, 422420, 499240, 591388, 739235, 844840, 998480, 1182776, 1478470, 1689680, 2365552, 2956940, 5913880, 11827760, 37658743, 75317486, 150634972, 188293715, 263611201, 301269944, 376587430, 527222402, 602539888, 753174860, 1054444804, 1318056005, 1506349720, 2108889608, 2636112010, 3012699440, 4217779216, 5272224020, 10544448040, 21088896080]

約数ペア:

[(1, 21088896080), (2, 10544448040), (4, 5272224020), (5, 4217779216), (7, 3012699440), (8, 2636112010), (10, 2108889608), (14, 1506349720), (16, 1318056005), (20, 1054444804), (28, 753174860), (35, 602539888), (40, 527222402), (56, 376587430), (70, 301269944), (80, 263611201), (112, 188293715), (140, 150634972), (280, 75317486), (560, 37658743), (1783, 11827760), (3566, 5913880), (7132, 2956940), (8915, 2365552), (12481, 1689680), (14264, 1478470), (17830, 1182776), (21121, 998480), (24962, 844840), (28528, 739235), (35660, 591388), (42242, 499240), (49924, 422420), (62405, 337936), (71320, 295694), (84484, 249620), (99848, 211210), (105605, 199696), (124810, 168968), (142640, 147847)]