21444352

素因数分解:

$2^8\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:624

約数の個数: 36

約数和(自身を含む): 43116136

約数和(自身を除く): 21671784

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 211, 256, 397, 422, 794, 844, 1588, 1688, 3176, 3376, 6352, 6752, 12704, 13504, 25408, 27008, 50816, 54016, 83767, 101632, 167534, 335068, 670136, 1340272, 2680544, 5361088, 10722176, 21444352]

約数ペア:

[(1, 21444352), (2, 10722176), (4, 5361088), (8, 2680544), (16, 1340272), (32, 670136), (64, 335068), (128, 167534), (211, 101632), (256, 83767), (397, 54016), (422, 50816), (794, 27008), (844, 25408), (1588, 13504), (1688, 12704), (3176, 6752), (3376, 6352)]