21757504

素因数分解:

$2^6\times {\mathrm{73}}^1\times {\mathrm{4657}}^1$

素因数の和:4742

約数の個数: 28

約数和(自身を含む): 43775884

約数和(自身を除く): 22018380

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 146, 292, 584, 1168, 2336, 4657, 4672, 9314, 18628, 37256, 74512, 149024, 298048, 339961, 679922, 1359844, 2719688, 5439376, 10878752, 21757504]

約数ペア:

[(1, 21757504), (2, 10878752), (4, 5439376), (8, 2719688), (16, 1359844), (32, 679922), (64, 339961), (73, 298048), (146, 149024), (292, 74512), (584, 37256), (1168, 18628), (2336, 9314), (4657, 4672)]