21857478

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 46487520

約数和(自身を除く): 24630042

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 421, 509, 842, 1018, 1263, 1527, 2526, 3054, 7157, 8653, 14314, 17306, 21471, 25959, 42942, 51918, 214289, 428578, 642867, 1285734, 3642913, 7285826, 10928739, 21857478]

約数ペア:

[(1, 21857478), (2, 10928739), (3, 7285826), (6, 3642913), (17, 1285734), (34, 642867), (51, 428578), (102, 214289), (421, 51918), (509, 42942), (842, 25959), (1018, 21471), (1263, 17306), (1527, 14314), (2526, 8653), (3054, 7157)]