21536974

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{1021}}^1$

素因数の和:1275

約数の個数: 16

約数和(自身を含む): 33112800

約数和(自身を除く): 11575826

約数列:

[1, 2, 53, 106, 199, 398, 1021, 2042, 10547, 21094, 54113, 108226, 203179, 406358, 10768487, 21536974]

約数ペア:

[(1, 21536974), (2, 10768487), (53, 406358), (106, 203179), (199, 108226), (398, 54113), (1021, 21094), (2042, 10547)]