21243762

素因数分解:

$2^1\times 3^3\times {\mathrm{393403}}^1$

素因数の和:393414

約数の個数: 16

約数和(自身を含む): 47208480

約数和(自身を除く): 25964718

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393403, 786806, 1180209, 2360418, 3540627, 7081254, 10621881, 21243762]

約数ペア:

[(1, 21243762), (2, 10621881), (3, 7081254), (6, 3540627), (9, 2360418), (18, 1180209), (27, 786806), (54, 393403)]