21658842

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27983}}^1$

素因数の和:28034

約数の個数: 24

約数和(自身を含む): 48020544

約数和(自身を除く): 26361702

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27983, 55966, 83949, 167898, 251847, 503694, 1203269, 2406538, 3609807, 7219614, 10829421, 21658842]

約数ペア:

[(1, 21658842), (2, 10829421), (3, 7219614), (6, 3609807), (9, 2406538), (18, 1203269), (43, 503694), (86, 251847), (129, 167898), (258, 83949), (387, 55966), (774, 27983)]