21091004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16529}}^1$

素因数の和:16573

約数の個数: 24

約数和(自身を含む): 41655600

約数和(自身を除く): 20564596

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16529, 33058, 66116, 181819, 363638, 479341, 727276, 958682, 1917364, 5272751, 10545502, 21091004]

約数ペア:

[(1, 21091004), (2, 10545502), (4, 5272751), (11, 1917364), (22, 958682), (29, 727276), (44, 479341), (58, 363638), (116, 181819), (319, 66116), (638, 33058), (1276, 16529)]