21077249985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{11173}}^1$

素因数の和:11335

約数の個数: 96

約数和(自身を含む): 41333430528

約数和(自身を除く): 20256180543

約数列:

[1, 3, 5, 9, 11, 15, 33, 37, 45, 55, 99, 103, 111, 165, 185, 309, 333, 407, 495, 515, 555, 927, 1133, 1221, 1545, 1665, 2035, 3399, 3663, 3811, 4635, 5665, 6105, 10197, 11173, 11433, 16995, 18315, 19055, 33519, 34299, 41921, 50985, 55865, 57165, 100557, 122903, 125763, 167595, 171495, 209605, 368709, 377289, 413401, 502785, 614515, 628815, 1106127, 1150819, 1240203, 1843545, 1886445, 2067005, 3452457, 3720609, 4547411, 5530635, 5754095, 6201015, 10357371, 12659009, 13642233, 17262285, 18603045, 22737055, 37977027, 40926699, 42580303, 51786855, 63295045, 68211165, 113931081, 127740909, 189885135, 204633495, 212901515, 383222727, 468383333, 569655405, 638704545, 1405149999, 1916113635, 2341916665, 4215449997, 7025749995, 21077249985]

約数ペア:

[(1, 21077249985), (3, 7025749995), (5, 4215449997), (9, 2341916665), (11, 1916113635), (15, 1405149999), (33, 638704545), (37, 569655405), (45, 468383333), (55, 383222727), (99, 212901515), (103, 204633495), (111, 189885135), (165, 127740909), (185, 113931081), (309, 68211165), (333, 63295045), (407, 51786855), (495, 42580303), (515, 40926699), (555, 37977027), (927, 22737055), (1133, 18603045), (1221, 17262285), (1545, 13642233), (1665, 12659009), (2035, 10357371), (3399, 6201015), (3663, 5754095), (3811, 5530635), (4635, 4547411), (5665, 3720609), (6105, 3452457), (10197, 2067005), (11173, 1886445), (11433, 1843545), (16995, 1240203), (18315, 1150819), (19055, 1106127), (33519, 628815), (34299, 614515), (41921, 502785), (50985, 413401), (55865, 377289), (57165, 368709), (100557, 209605), (122903, 171495), (125763, 167595)]