21604986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 50878464

約数和(自身を除く): 29273478

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 127, 234, 254, 381, 727, 762, 1143, 1454, 1651, 2181, 2286, 3302, 4362, 4953, 6543, 9451, 9906, 13086, 14859, 18902, 28353, 29718, 56706, 85059, 92329, 170118, 184658, 276987, 553974, 830961, 1200277, 1661922, 2400554, 3600831, 7201662, 10802493, 21604986]

約数ペア:

[(1, 21604986), (2, 10802493), (3, 7201662), (6, 3600831), (9, 2400554), (13, 1661922), (18, 1200277), (26, 830961), (39, 553974), (78, 276987), (117, 184658), (127, 170118), (234, 92329), (254, 85059), (381, 56706), (727, 29718), (762, 28353), (1143, 18902), (1454, 14859), (1651, 13086), (2181, 9906), (2286, 9451), (3302, 6543), (4362, 4953)]