21592053

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 37464960

約数和(自身を除く): 15872907

約数列:

[1, 3, 7, 9, 21, 37, 59, 63, 111, 157, 177, 259, 333, 413, 471, 531, 777, 1099, 1239, 1413, 2183, 2331, 3297, 3717, 5809, 6549, 9263, 9891, 15281, 17427, 19647, 27789, 40663, 45843, 52281, 64841, 83367, 121989, 137529, 194523, 342731, 365967, 583569, 1028193, 2399117, 3084579, 7197351, 21592053]

約数ペア:

[(1, 21592053), (3, 7197351), (7, 3084579), (9, 2399117), (21, 1028193), (37, 583569), (59, 365967), (63, 342731), (111, 194523), (157, 137529), (177, 121989), (259, 83367), (333, 64841), (413, 52281), (471, 45843), (531, 40663), (777, 27789), (1099, 19647), (1239, 17427), (1413, 15281), (2183, 9891), (2331, 9263), (3297, 6549), (3717, 5809)]