21962552

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66959}}^1$

素因数の和:67006

約数の個数: 16

約数和(自身を含む): 42184800

約数和(自身を除く): 20222248

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66959, 133918, 267836, 535672, 2745319, 5490638, 10981276, 21962552]

約数ペア:

[(1, 21962552), (2, 10981276), (4, 5490638), (8, 2745319), (41, 535672), (82, 267836), (164, 133918), (328, 66959)]