21075636

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4019}}^1$

素因数の和:4068

約数の個数: 48

約数和(自身を含む): 54028800

約数和(自身を除く): 32953164

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 4019, 5244, 8038, 12057, 16076, 24114, 48228, 76361, 92437, 152722, 184874, 229083, 277311, 305444, 369748, 458166, 554622, 916332, 1109244, 1756303, 3512606, 5268909, 7025212, 10537818, 21075636]

約数ペア:

[(1, 21075636), (2, 10537818), (3, 7025212), (4, 5268909), (6, 3512606), (12, 1756303), (19, 1109244), (23, 916332), (38, 554622), (46, 458166), (57, 369748), (69, 305444), (76, 277311), (92, 229083), (114, 184874), (138, 152722), (228, 92437), (276, 76361), (437, 48228), (874, 24114), (1311, 16076), (1748, 12057), (2622, 8038), (4019, 5244)]