21812649

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{5153}}^1$

素因数の和:5256

約数の個数: 16

約数和(自身を含む): 31171392

約数和(自身を除く): 9358743

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 5153, 15459, 87601, 262803, 427699, 1283097, 7270883, 21812649]

約数ペア:

[(1, 21812649), (3, 7270883), (17, 1283097), (51, 427699), (83, 262803), (249, 87601), (1411, 15459), (4233, 5153)]