21973941

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1283}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 34852896

約数和(自身を除く): 12878955

約数列:

[1, 3, 9, 11, 33, 99, 173, 519, 1283, 1557, 1903, 3849, 5709, 11547, 14113, 17127, 42339, 127017, 221959, 665877, 1997631, 2441549, 7324647, 21973941]

約数ペア:

[(1, 21973941), (3, 7324647), (9, 2441549), (11, 1997631), (33, 665877), (99, 221959), (173, 127017), (519, 42339), (1283, 17127), (1557, 14113), (1903, 11547), (3849, 5709)]