21072232

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1713

約数の個数: 32

約数和(自身を含む): 41834880

約数和(自身を除く): 20762648

約数列:

[1, 2, 4, 8, 23, 46, 71, 92, 142, 184, 284, 568, 1613, 1633, 3226, 3266, 6452, 6532, 12904, 13064, 37099, 74198, 114523, 148396, 229046, 296792, 458092, 916184, 2634029, 5268058, 10536116, 21072232]

約数ペア:

[(1, 21072232), (2, 10536116), (4, 5268058), (8, 2634029), (23, 916184), (46, 458092), (71, 296792), (92, 229046), (142, 148396), (184, 114523), (284, 74198), (568, 37099), (1613, 13064), (1633, 12904), (3226, 6532), (3266, 6452)]