21575588

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1997}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 39328632

約数和(自身を除く): 17753044

約数列:

[1, 2, 4, 37, 73, 74, 146, 148, 292, 1997, 2701, 3994, 5402, 7988, 10804, 73889, 145781, 147778, 291562, 295556, 583124, 5393897, 10787794, 21575588]

約数ペア:

[(1, 21575588), (2, 10787794), (4, 5393897), (37, 583124), (73, 295556), (74, 291562), (146, 147778), (148, 145781), (292, 73889), (1997, 10804), (2701, 7988), (3994, 5402)]