21218328

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{4271}}^1$

素因数の和:4309

約数の個数: 64

約数和(自身を含む): 61516800

約数和(自身を除く): 40298472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 92, 108, 138, 184, 207, 216, 276, 414, 552, 621, 828, 1242, 1656, 2484, 4271, 4968, 8542, 12813, 17084, 25626, 34168, 38439, 51252, 76878, 98233, 102504, 115317, 153756, 196466, 230634, 294699, 307512, 392932, 461268, 589398, 785864, 884097, 922536, 1178796, 1768194, 2357592, 2652291, 3536388, 5304582, 7072776, 10609164, 21218328]

約数ペア:

[(1, 21218328), (2, 10609164), (3, 7072776), (4, 5304582), (6, 3536388), (8, 2652291), (9, 2357592), (12, 1768194), (18, 1178796), (23, 922536), (24, 884097), (27, 785864), (36, 589398), (46, 461268), (54, 392932), (69, 307512), (72, 294699), (92, 230634), (108, 196466), (138, 153756), (184, 115317), (207, 102504), (216, 98233), (276, 76878), (414, 51252), (552, 38439), (621, 34168), (828, 25626), (1242, 17084), (1656, 12813), (2484, 8542), (4271, 4968)]