21166236

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 162

約数和(自身を含む): 68343912

約数和(自身を除く): 47177676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 71, 78, 84, 91, 98, 117, 126, 142, 147, 156, 169, 182, 196, 213, 234, 252, 273, 284, 294, 338, 364, 426, 441, 468, 497, 507, 546, 588, 637, 639, 676, 819, 852, 882, 923, 994, 1014, 1092, 1183, 1274, 1278, 1491, 1521, 1638, 1764, 1846, 1911, 1988, 2028, 2366, 2548, 2556, 2769, 2982, 3042, 3276, 3479, 3549, 3692, 3822, 4473, 4732, 5538, 5733, 5964, 6084, 6461, 6958, 7098, 7644, 8281, 8307, 8946, 10437, 10647, 11076, 11466, 11999, 12922, 13916, 14196, 16562, 16614, 17892, 19383, 20874, 21294, 22932, 23998, 24843, 25844, 31311, 33124, 33228, 35997, 38766, 41748, 42588, 45227, 47996, 49686, 58149, 62622, 71994, 74529, 77532, 83993, 90454, 99372, 107991, 116298, 125244, 135681, 143988, 149058, 167986, 180908, 215982, 232596, 251979, 271362, 298116, 335972, 407043, 431964, 503958, 542724, 587951, 755937, 814086, 1007916, 1175902, 1511874, 1628172, 1763853, 2351804, 3023748, 3527706, 5291559, 7055412, 10583118, 21166236]

約数ペア:

[(1, 21166236), (2, 10583118), (3, 7055412), (4, 5291559), (6, 3527706), (7, 3023748), (9, 2351804), (12, 1763853), (13, 1628172), (14, 1511874), (18, 1175902), (21, 1007916), (26, 814086), (28, 755937), (36, 587951), (39, 542724), (42, 503958), (49, 431964), (52, 407043), (63, 335972), (71, 298116), (78, 271362), (84, 251979), (91, 232596), (98, 215982), (117, 180908), (126, 167986), (142, 149058), (147, 143988), (156, 135681), (169, 125244), (182, 116298), (196, 107991), (213, 99372), (234, 90454), (252, 83993), (273, 77532), (284, 74529), (294, 71994), (338, 62622), (364, 58149), (426, 49686), (441, 47996), (468, 45227), (497, 42588), (507, 41748), (546, 38766), (588, 35997), (637, 33228), (639, 33124), (676, 31311), (819, 25844), (852, 24843), (882, 23998), (923, 22932), (994, 21294), (1014, 20874), (1092, 19383), (1183, 17892), (1274, 16614), (1278, 16562), (1491, 14196), (1521, 13916), (1638, 12922), (1764, 11999), (1846, 11466), (1911, 11076), (1988, 10647), (2028, 10437), (2366, 8946), (2548, 8307), (2556, 8281), (2769, 7644), (2982, 7098), (3042, 6958), (3276, 6461), (3479, 6084), (3549, 5964), (3692, 5733), (3822, 5538), (4473, 4732)]