21481866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5879}}^1$

素因数の和:5923

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 33554934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5879, 11758, 17637, 35274, 41153, 52911, 82306, 105822, 123459, 170491, 246918, 340982, 370377, 511473, 740754, 1022946, 1193437, 1534419, 2386874, 3068838, 3580311, 7160622, 10740933, 21481866]

約数ペア:

[(1, 21481866), (2, 10740933), (3, 7160622), (6, 3580311), (7, 3068838), (9, 2386874), (14, 1534419), (18, 1193437), (21, 1022946), (29, 740754), (42, 511473), (58, 370377), (63, 340982), (87, 246918), (126, 170491), (174, 123459), (203, 105822), (261, 82306), (406, 52911), (522, 41153), (609, 35274), (1218, 17637), (1827, 11758), (3654, 5879)]