21492054

素因数分解:

$2^1\times 3^4\times {\mathrm{132667}}^1$

素因数の和:132681

約数の個数: 20

約数和(自身を含む): 48158484

約数和(自身を除く): 26666430

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 132667, 265334, 398001, 796002, 1194003, 2388006, 3582009, 7164018, 10746027, 21492054]

約数ペア:

[(1, 21492054), (2, 10746027), (3, 7164018), (6, 3582009), (9, 2388006), (18, 1194003), (27, 796002), (54, 398001), (81, 265334), (162, 132667)]