21815658

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71293}}^1$

素因数の和:71318

約数の個数: 24

約数和(自身を含む): 50048388

約数和(自身を除く): 28232730

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 71293, 142586, 213879, 427758, 641637, 1211981, 1283274, 2423962, 3635943, 7271886, 10907829, 21815658]

約数ペア:

[(1, 21815658), (2, 10907829), (3, 7271886), (6, 3635943), (9, 2423962), (17, 1283274), (18, 1211981), (34, 641637), (51, 427758), (102, 213879), (153, 142586), (306, 71293)]