21381062

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{8573}}^1$

素因数の和:8647

約数の個数: 16

約数和(自身を含む): 33953040

約数和(自身を除く): 12571978

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 8573, 17146, 248617, 368639, 497234, 737278, 10690531, 21381062]

約数ペア:

[(1, 21381062), (2, 10690531), (29, 737278), (43, 497234), (58, 368639), (86, 248617), (1247, 17146), (2494, 8573)]