20211806439

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1747}}^1\times {\mathrm{5081}}^1$

素因数の和:6868

約数の個数: 48

約数和(自身を含む): 33259209984

約数和(自身を除く): 13047403545

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 1747, 2277, 5081, 5241, 15243, 15723, 19217, 40181, 45729, 55891, 57651, 116863, 120543, 167673, 172953, 350589, 361629, 441991, 503019, 1051767, 1285493, 1325973, 3856479, 3977919, 8876507, 11569437, 26629521, 79888563, 97641577, 204159661, 292924731, 612478983, 878774193, 1837436949, 2245756271, 6737268813, 20211806439]

約数ペア:

[(1, 20211806439), (3, 6737268813), (9, 2245756271), (11, 1837436949), (23, 878774193), (33, 612478983), (69, 292924731), (99, 204159661), (207, 97641577), (253, 79888563), (759, 26629521), (1747, 11569437), (2277, 8876507), (5081, 3977919), (5241, 3856479), (15243, 1325973), (15723, 1285493), (19217, 1051767), (40181, 503019), (45729, 441991), (55891, 361629), (57651, 350589), (116863, 172953), (120543, 167673)]