21970894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{6361}}^1$

素因数の和:6531

約数の個数: 16

約数和(自身を含む): 36187056

約数和(自身を除く): 14216162

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 6361, 12722, 69971, 139942, 998677, 1997354, 10985447, 21970894]

約数ペア:

[(1, 21970894), (2, 10985447), (11, 1997354), (22, 998677), (157, 139942), (314, 69971), (1727, 12722), (3454, 6361)]