21836913

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1559}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 14105487

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1559, 2001, 4669, 4677, 10913, 14007, 32739, 35857, 45211, 107571, 135633, 250999, 316477, 752997, 949431, 1039853, 3119559, 7278971, 21836913]

約数ペア:

[(1, 21836913), (3, 7278971), (7, 3119559), (21, 1039853), (23, 949431), (29, 752997), (69, 316477), (87, 250999), (161, 135633), (203, 107571), (483, 45211), (609, 35857), (667, 32739), (1559, 14007), (2001, 10913), (4669, 4677)]