21940953

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5273}}^1$

素因数の和:5368

約数の個数: 16

約数和(自身を含む): 31222080

約数和(自身を除く): 9281127

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 5273, 15819, 100187, 300561, 384929, 1154787, 7313651, 21940953]

約数ペア:

[(1, 21940953), (3, 7313651), (19, 1154787), (57, 384929), (73, 300561), (219, 100187), (1387, 15819), (4161, 5273)]