21167118

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:358

約数の個数: 72

約数和(自身を含む): 54098928

約数和(自身を除く): 32931810

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 103, 126, 147, 206, 233, 294, 309, 441, 466, 618, 699, 721, 882, 927, 1398, 1442, 1631, 1854, 2097, 2163, 3262, 4194, 4326, 4893, 5047, 6489, 9786, 10094, 11417, 12978, 14679, 15141, 22834, 23999, 29358, 30282, 34251, 45423, 47998, 68502, 71997, 90846, 102753, 143994, 167993, 205506, 215991, 335986, 431982, 503979, 1007958, 1175951, 1511937, 2351902, 3023874, 3527853, 7055706, 10583559, 21167118]

約数ペア:

[(1, 21167118), (2, 10583559), (3, 7055706), (6, 3527853), (7, 3023874), (9, 2351902), (14, 1511937), (18, 1175951), (21, 1007958), (42, 503979), (49, 431982), (63, 335986), (98, 215991), (103, 205506), (126, 167993), (147, 143994), (206, 102753), (233, 90846), (294, 71997), (309, 68502), (441, 47998), (466, 45423), (618, 34251), (699, 30282), (721, 29358), (882, 23999), (927, 22834), (1398, 15141), (1442, 14679), (1631, 12978), (1854, 11417), (2097, 10094), (2163, 9786), (3262, 6489), (4194, 5047), (4326, 4893)]