21912417

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{12113}}^1$

素因数の和:12189

約数の個数: 16

約数和(自身を含む): 32950080

約数和(自身を除く): 11037663

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 12113, 36339, 109017, 327051, 811571, 2434713, 7304139, 21912417]

約数ペア:

[(1, 21912417), (3, 7304139), (9, 2434713), (27, 811571), (67, 327051), (201, 109017), (603, 36339), (1809, 12113)]