21411528

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 56678400

約数和(自身を除く): 35266872

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 79, 92, 138, 158, 184, 237, 276, 316, 474, 491, 552, 632, 948, 982, 1473, 1817, 1896, 1964, 2946, 3634, 3928, 5451, 5892, 7268, 10902, 11293, 11784, 14536, 21804, 22586, 33879, 38789, 43608, 45172, 67758, 77578, 90344, 116367, 135516, 155156, 232734, 271032, 310312, 465468, 892147, 930936, 1784294, 2676441, 3568588, 5352882, 7137176, 10705764, 21411528]

約数ペア:

[(1, 21411528), (2, 10705764), (3, 7137176), (4, 5352882), (6, 3568588), (8, 2676441), (12, 1784294), (23, 930936), (24, 892147), (46, 465468), (69, 310312), (79, 271032), (92, 232734), (138, 155156), (158, 135516), (184, 116367), (237, 90344), (276, 77578), (316, 67758), (474, 45172), (491, 43608), (552, 38789), (632, 33879), (948, 22586), (982, 21804), (1473, 14536), (1817, 11784), (1896, 11293), (1964, 10902), (2946, 7268), (3634, 5892), (3928, 5451)]