21085002

素因数分解:

$2^1\times 3^3\times {\mathrm{390463}}^1$

素因数の和:390474

約数の個数: 16

約数和(自身を含む): 46855680

約数和(自身を除く): 25770678

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 390463, 780926, 1171389, 2342778, 3514167, 7028334, 10542501, 21085002]

約数ペア:

[(1, 21085002), (2, 10542501), (3, 7028334), (6, 3514167), (9, 2342778), (18, 1171389), (27, 780926), (54, 390463)]