21168318

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 46360080

約数和(自身を除く): 25191762

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 87, 114, 174, 337, 361, 551, 674, 722, 1011, 1083, 1102, 1653, 2022, 2166, 3306, 6403, 9773, 10469, 12806, 19209, 19546, 20938, 29319, 31407, 38418, 58638, 62814, 121657, 185687, 243314, 364971, 371374, 557061, 729942, 1114122, 3528053, 7056106, 10584159, 21168318]

約数ペア:

[(1, 21168318), (2, 10584159), (3, 7056106), (6, 3528053), (19, 1114122), (29, 729942), (38, 557061), (57, 371374), (58, 364971), (87, 243314), (114, 185687), (174, 121657), (337, 62814), (361, 58638), (551, 38418), (674, 31407), (722, 29319), (1011, 20938), (1083, 19546), (1102, 19209), (1653, 12806), (2022, 10469), (2166, 9773), (3306, 6403)]