21047536

素因数分解:

$2^4\times {\mathrm{179}}^1\times {\mathrm{7349}}^1$

素因数の和:7536

約数の個数: 20

約数和(自身を含む): 41013000

約数和(自身を除く): 19965464

約数列:

[1, 2, 4, 8, 16, 179, 358, 716, 1432, 2864, 7349, 14698, 29396, 58792, 117584, 1315471, 2630942, 5261884, 10523768, 21047536]

約数ペア:

[(1, 21047536), (2, 10523768), (4, 5261884), (8, 2630942), (16, 1315471), (179, 117584), (358, 58792), (716, 29396), (1432, 14698), (2864, 7349)]