21907854

素因数分解:

$2^1\times 3^3\times {\mathrm{405701}}^1$

素因数の和:405712

約数の個数: 16

約数和(自身を含む): 48684240

約数和(自身を除く): 26776386

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 405701, 811402, 1217103, 2434206, 3651309, 7302618, 10953927, 21907854]

約数ペア:

[(1, 21907854), (2, 10953927), (3, 7302618), (6, 3651309), (9, 2434206), (18, 1217103), (27, 811402), (54, 405701)]