21522357

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{863}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 33156864

約数和(自身を除く): 11634507

約数列:

[1, 3, 9, 17, 51, 153, 163, 489, 863, 1467, 2589, 2771, 7767, 8313, 14671, 24939, 44013, 132039, 140669, 422007, 1266021, 2391373, 7174119, 21522357]

約数ペア:

[(1, 21522357), (3, 7174119), (9, 2391373), (17, 1266021), (51, 422007), (153, 140669), (163, 132039), (489, 44013), (863, 24939), (1467, 14671), (2589, 8313), (2771, 7767)]