21717572

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{349}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 39043200

約数和(自身を除く): 17325628

約数列:

[1, 2, 4, 47, 94, 188, 331, 349, 662, 698, 1324, 1396, 15557, 16403, 31114, 32806, 62228, 65612, 115519, 231038, 462076, 5429393, 10858786, 21717572]

約数ペア:

[(1, 21717572), (2, 10858786), (4, 5429393), (47, 462076), (94, 231038), (188, 115519), (331, 65612), (349, 62228), (662, 32806), (698, 31114), (1324, 16403), (1396, 15557)]