21473904

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 59139072

約数和(自身を除く): 37665168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 53, 69, 92, 106, 138, 159, 184, 212, 276, 318, 367, 368, 424, 552, 636, 734, 848, 1101, 1104, 1219, 1272, 1468, 2202, 2438, 2544, 2936, 3657, 4404, 4876, 5872, 7314, 8441, 8808, 9752, 14628, 16882, 17616, 19451, 19504, 25323, 29256, 33764, 38902, 50646, 58353, 58512, 67528, 77804, 101292, 116706, 135056, 155608, 202584, 233412, 311216, 405168, 447373, 466824, 894746, 933648, 1342119, 1789492, 2684238, 3578984, 5368476, 7157968, 10736952, 21473904]

約数ペア:

[(1, 21473904), (2, 10736952), (3, 7157968), (4, 5368476), (6, 3578984), (8, 2684238), (12, 1789492), (16, 1342119), (23, 933648), (24, 894746), (46, 466824), (48, 447373), (53, 405168), (69, 311216), (92, 233412), (106, 202584), (138, 155608), (159, 135056), (184, 116706), (212, 101292), (276, 77804), (318, 67528), (367, 58512), (368, 58353), (424, 50646), (552, 38902), (636, 33764), (734, 29256), (848, 25323), (1101, 19504), (1104, 19451), (1219, 17616), (1272, 16882), (1468, 14628), (2202, 9752), (2438, 8808), (2544, 8441), (2936, 7314), (3657, 5872), (4404, 4876)]