21828846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{279857}}^1$

素因数の和:279875

約数の個数: 16

約数和(自身を含む): 47016144

約数和(自身を除く): 25187298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 279857, 559714, 839571, 1679142, 3638141, 7276282, 10914423, 21828846]

約数ペア:

[(1, 21828846), (2, 10914423), (3, 7276282), (6, 3638141), (13, 1679142), (26, 839571), (39, 559714), (78, 279857)]