21717038

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4297}}^1$

素因数の和:4344

約数の個数: 24

約数和(自身を含む): 39300912

約数和(自身を除く): 17583874

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 4297, 5054, 8594, 30079, 60158, 81643, 163286, 571501, 1143002, 1551217, 3102434, 10858519, 21717038]

約数ペア:

[(1, 21717038), (2, 10858519), (7, 3102434), (14, 1551217), (19, 1143002), (38, 571501), (133, 163286), (266, 81643), (361, 60158), (722, 30079), (2527, 8594), (4297, 5054)]