21483393

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 30945600

約数和(自身を除く): 9462207

約数列:

[1, 3, 17, 51, 71, 213, 289, 349, 867, 1047, 1207, 3621, 5933, 17799, 20519, 24779, 61557, 74337, 100861, 302583, 421243, 1263729, 7161131, 21483393]

約数ペア:

[(1, 21483393), (3, 7161131), (17, 1263729), (51, 421243), (71, 302583), (213, 100861), (289, 74337), (349, 61557), (867, 24779), (1047, 20519), (1207, 17799), (3621, 5933)]