21300184

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{156619}}^1$

素因数の和:156642

約数の個数: 16

約数和(自身を含む): 42287400

約数和(自身を除く): 20987216

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 156619, 313238, 626476, 1252952, 2662523, 5325046, 10650092, 21300184]

約数ペア:

[(1, 21300184), (2, 10650092), (4, 5325046), (8, 2662523), (17, 1252952), (34, 626476), (68, 313238), (136, 156619)]