21068458

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1\times {\mathrm{293}}^1$

素因数の和:681

約数の個数: 16

約数和(自身を含む): 32051880

約数和(自身を除く): 10983422

約数列:

[1, 2, 157, 229, 293, 314, 458, 586, 35953, 46001, 67097, 71906, 92002, 134194, 10534229, 21068458]

約数ペア:

[(1, 21068458), (2, 10534229), (157, 134194), (229, 92002), (293, 71906), (314, 67097), (458, 46001), (586, 35953)]