21998986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{6047}}^1$

素因数の和:6173

約数の個数: 16

約数和(自身を含む): 35271936

約数和(自身を除く): 13272950

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 6047, 12094, 102799, 205598, 647029, 1294058, 10999493, 21998986]

約数ペア:

[(1, 21998986), (2, 10999493), (17, 1294058), (34, 647029), (107, 205598), (214, 102799), (1819, 12094), (3638, 6047)]