21818168

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{419}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 42940800

約数和(自身を除く): 21122632

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 283, 419, 566, 838, 1132, 1676, 2264, 3352, 6509, 9637, 13018, 19274, 26036, 38548, 52072, 77096, 118577, 237154, 474308, 948616, 2727271, 5454542, 10909084, 21818168]

約数ペア:

[(1, 21818168), (2, 10909084), (4, 5454542), (8, 2727271), (23, 948616), (46, 474308), (92, 237154), (184, 118577), (283, 77096), (419, 52072), (566, 38548), (838, 26036), (1132, 19274), (1676, 13018), (2264, 9637), (3352, 6509)]