21751662213

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:440

約数の個数: 128

約数和(自身を含む): 36130406400

約数和(自身を除く): 14378744187

約数列:

[1, 3, 9, 19, 27, 31, 53, 57, 93, 131, 159, 171, 197, 279, 393, 477, 513, 589, 591, 837, 1007, 1179, 1431, 1643, 1767, 1773, 2489, 3021, 3537, 3743, 4061, 4929, 5301, 5319, 6107, 6943, 7467, 9063, 10441, 11229, 12183, 14787, 15903, 18321, 20829, 22401, 25807, 27189, 31217, 31323, 33687, 36549, 44361, 54963, 62487, 67203, 77159, 77421, 93651, 93969, 101061, 109647, 116033, 131917, 164889, 187461, 198379, 215233, 231477, 232263, 280953, 281907, 323671, 348099, 395751, 490333, 595137, 645699, 694431, 696789, 800017, 842859, 971013, 1044297, 1187253, 1367771, 1470999, 1785411, 1937097, 2083293, 2400051, 2913039, 3132891, 3561759, 4089427, 4103313, 4412997, 5356233, 5811291, 6149749, 7200153, 8739117, 12268281, 12309939, 13238991, 15200323, 18449247, 21600459, 25987649, 36804843, 36929817, 42400901, 45600969, 55347741, 77962947, 110414529, 127202703, 136802907, 166043223, 233888841, 381608109, 410408721, 701666523, 805617119, 1144824327, 2416851357, 7250554071, 21751662213]

約数ペア:

[(1, 21751662213), (3, 7250554071), (9, 2416851357), (19, 1144824327), (27, 805617119), (31, 701666523), (53, 410408721), (57, 381608109), (93, 233888841), (131, 166043223), (159, 136802907), (171, 127202703), (197, 110414529), (279, 77962947), (393, 55347741), (477, 45600969), (513, 42400901), (589, 36929817), (591, 36804843), (837, 25987649), (1007, 21600459), (1179, 18449247), (1431, 15200323), (1643, 13238991), (1767, 12309939), (1773, 12268281), (2489, 8739117), (3021, 7200153), (3537, 6149749), (3743, 5811291), (4061, 5356233), (4929, 4412997), (5301, 4103313), (5319, 4089427), (6107, 3561759), (6943, 3132891), (7467, 2913039), (9063, 2400051), (10441, 2083293), (11229, 1937097), (12183, 1785411), (14787, 1470999), (15903, 1367771), (18321, 1187253), (20829, 1044297), (22401, 971013), (25807, 842859), (27189, 800017), (31217, 696789), (31323, 694431), (33687, 645699), (36549, 595137), (44361, 490333), (54963, 395751), (62487, 348099), (67203, 323671), (77159, 281907), (77421, 280953), (93651, 232263), (93969, 231477), (101061, 215233), (109647, 198379), (116033, 187461), (131917, 164889)]