21193193

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1741}}^1$

素因数の和:1832

約数の個数: 16

約数和(自身を含む): 25419264

約数和(自身を除く): 4226071

約数列:

[1, 7, 37, 47, 259, 329, 1739, 1741, 12173, 12187, 64417, 81827, 450919, 572789, 3027599, 21193193]

約数ペア:

[(1, 21193193), (7, 3027599), (37, 572789), (47, 450919), (259, 81827), (329, 64417), (1739, 12187), (1741, 12173)]