2021300085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 4165447680

約数和(自身を除く): 2144147595

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 51, 57, 85, 95, 105, 107, 119, 133, 255, 285, 321, 323, 357, 399, 535, 557, 595, 665, 749, 969, 1605, 1615, 1671, 1785, 1819, 1995, 2033, 2247, 2261, 2785, 3745, 3899, 4845, 5457, 6099, 6783, 8355, 9095, 9469, 10165, 10583, 11235, 11305, 11697, 12733, 14231, 19495, 27285, 28407, 30495, 31749, 33915, 34561, 38199, 42693, 47345, 52915, 58485, 59599, 63665, 66283, 71155, 74081, 103683, 142035, 158745, 172805, 178797, 179911, 190995, 198849, 213465, 222243, 241927, 297995, 331415, 370405, 417193, 518415, 539733, 725781, 893985, 899555, 994245, 1013183, 1111215, 1132381, 1209635, 1251579, 1259377, 2085965, 2698665, 3039549, 3397143, 3628905, 3778131, 5065915, 5661905, 6257895, 6296885, 7092281, 7926667, 15197745, 16985715, 18890655, 19250477, 21276843, 23780001, 35461405, 39633335, 57751431, 96252385, 106384215, 118900005, 134753339, 288757155, 404260017, 673766695, 2021300085]

約数ペア:

[(1, 2021300085), (3, 673766695), (5, 404260017), (7, 288757155), (15, 134753339), (17, 118900005), (19, 106384215), (21, 96252385), (35, 57751431), (51, 39633335), (57, 35461405), (85, 23780001), (95, 21276843), (105, 19250477), (107, 18890655), (119, 16985715), (133, 15197745), (255, 7926667), (285, 7092281), (321, 6296885), (323, 6257895), (357, 5661905), (399, 5065915), (535, 3778131), (557, 3628905), (595, 3397143), (665, 3039549), (749, 2698665), (969, 2085965), (1605, 1259377), (1615, 1251579), (1671, 1209635), (1785, 1132381), (1819, 1111215), (1995, 1013183), (2033, 994245), (2247, 899555), (2261, 893985), (2785, 725781), (3745, 539733), (3899, 518415), (4845, 417193), (5457, 370405), (6099, 331415), (6783, 297995), (8355, 241927), (9095, 222243), (9469, 213465), (10165, 198849), (10583, 190995), (11235, 179911), (11305, 178797), (11697, 172805), (12733, 158745), (14231, 142035), (19495, 103683), (27285, 74081), (28407, 71155), (30495, 66283), (31749, 63665), (33915, 59599), (34561, 58485), (38199, 52915), (42693, 47345)]