21493548

素因数分解:

$2^2\times 3^2\times {\mathrm{149}}^1\times {\mathrm{4007}}^1$

素因数の和:4166

約数の個数: 36

約数和(自身を含む): 54709200

約数和(自身を除く): 33215652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 149, 298, 447, 596, 894, 1341, 1788, 2682, 4007, 5364, 8014, 12021, 16028, 24042, 36063, 48084, 72126, 144252, 597043, 1194086, 1791129, 2388172, 3582258, 5373387, 7164516, 10746774, 21493548]

約数ペア:

[(1, 21493548), (2, 10746774), (3, 7164516), (4, 5373387), (6, 3582258), (9, 2388172), (12, 1791129), (18, 1194086), (36, 597043), (149, 144252), (298, 72126), (447, 48084), (596, 36063), (894, 24042), (1341, 16028), (1788, 12021), (2682, 8014), (4007, 5364)]