21453446

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 38802240

約数和(自身を除く): 17348794

約数列:

[1, 2, 7, 14, 29, 53, 58, 106, 203, 371, 406, 742, 997, 1537, 1994, 3074, 6979, 10759, 13958, 21518, 28913, 52841, 57826, 105682, 202391, 369887, 404782, 739774, 1532389, 3064778, 10726723, 21453446]

約数ペア:

[(1, 21453446), (2, 10726723), (7, 3064778), (14, 1532389), (29, 739774), (53, 404782), (58, 369887), (106, 202391), (203, 105682), (371, 57826), (406, 52841), (742, 28913), (997, 21518), (1537, 13958), (1994, 10759), (3074, 6979)]