21499848

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12983}}^1$

素因数の和:13018

約数の個数: 48

約数和(自身を含む): 60765120

約数和(自身を除く): 39265272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12983, 25966, 38949, 51932, 77898, 103864, 116847, 155796, 233694, 298609, 311592, 467388, 597218, 895827, 934776, 1194436, 1791654, 2388872, 2687481, 3583308, 5374962, 7166616, 10749924, 21499848]

約数ペア:

[(1, 21499848), (2, 10749924), (3, 7166616), (4, 5374962), (6, 3583308), (8, 2687481), (9, 2388872), (12, 1791654), (18, 1194436), (23, 934776), (24, 895827), (36, 597218), (46, 467388), (69, 311592), (72, 298609), (92, 233694), (138, 155796), (184, 116847), (207, 103864), (276, 77898), (414, 51932), (552, 38949), (828, 25966), (1656, 12983)]