21836548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3637}}^1$

素因数の和:3739

約数の個数: 24

約数和(自身を含む): 40745600

約数和(自身を除く): 18909052

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3637, 6004, 7274, 14548, 69103, 138206, 276412, 287323, 574646, 1149292, 5459137, 10918274, 21836548]

約数ペア:

[(1, 21836548), (2, 10918274), (4, 5459137), (19, 1149292), (38, 574646), (76, 287323), (79, 276412), (158, 138206), (316, 69103), (1501, 14548), (3002, 7274), (3637, 6004)]