21348549

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{46511}}^1$

素因数の和:46537

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 12140091

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 46511, 139533, 418599, 790687, 1255797, 2372061, 7116183, 21348549]

約数ペア:

[(1, 21348549), (3, 7116183), (9, 2372061), (17, 1255797), (27, 790687), (51, 418599), (153, 139533), (459, 46511)]