21505796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21767}}^1$

素因数の和:21803

約数の個数: 24

約数和(自身を含む): 42665280

約数和(自身を除く): 21159484

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21767, 43534, 87068, 282971, 413573, 565942, 827146, 1131884, 1654292, 5376449, 10752898, 21505796]

約数ペア:

[(1, 21505796), (2, 10752898), (4, 5376449), (13, 1654292), (19, 1131884), (26, 827146), (38, 565942), (52, 413573), (76, 282971), (247, 87068), (494, 43534), (988, 21767)]