21037262

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1543}}^1$

素因数の和:1963

約数の個数: 16

約数和(自身を含む): 33517152

約数和(自身を除く): 12479890

約数列:

[1, 2, 17, 34, 401, 802, 1543, 3086, 6817, 13634, 26231, 52462, 618743, 1237486, 10518631, 21037262]

約数ペア:

[(1, 21037262), (2, 10518631), (17, 1237486), (34, 618743), (401, 52462), (802, 26231), (1543, 13634), (3086, 6817)]