21441168

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 69638400

約数和(自身を除く): 48197232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 89, 112, 126, 144, 168, 178, 239, 252, 267, 336, 356, 478, 504, 534, 623, 712, 717, 801, 956, 1008, 1068, 1246, 1424, 1434, 1602, 1673, 1869, 1912, 2136, 2151, 2492, 2868, 3204, 3346, 3738, 3824, 4272, 4302, 4984, 5019, 5607, 5736, 6408, 6692, 7476, 8604, 9968, 10038, 11214, 11472, 12816, 13384, 14952, 15057, 17208, 20076, 21271, 22428, 26768, 29904, 30114, 34416, 40152, 42542, 44856, 60228, 63813, 80304, 85084, 89712, 120456, 127626, 148897, 170168, 191439, 240912, 255252, 297794, 340336, 382878, 446691, 510504, 595588, 765756, 893382, 1021008, 1191176, 1340073, 1531512, 1786764, 2382352, 2680146, 3063024, 3573528, 5360292, 7147056, 10720584, 21441168]

約数ペア:

[(1, 21441168), (2, 10720584), (3, 7147056), (4, 5360292), (6, 3573528), (7, 3063024), (8, 2680146), (9, 2382352), (12, 1786764), (14, 1531512), (16, 1340073), (18, 1191176), (21, 1021008), (24, 893382), (28, 765756), (36, 595588), (42, 510504), (48, 446691), (56, 382878), (63, 340336), (72, 297794), (84, 255252), (89, 240912), (112, 191439), (126, 170168), (144, 148897), (168, 127626), (178, 120456), (239, 89712), (252, 85084), (267, 80304), (336, 63813), (356, 60228), (478, 44856), (504, 42542), (534, 40152), (623, 34416), (712, 30114), (717, 29904), (801, 26768), (956, 22428), (1008, 21271), (1068, 20076), (1246, 17208), (1424, 15057), (1434, 14952), (1602, 13384), (1673, 12816), (1869, 11472), (1912, 11214), (2136, 10038), (2151, 9968), (2492, 8604), (2868, 7476), (3204, 6692), (3346, 6408), (3738, 5736), (3824, 5607), (4272, 5019), (4302, 4984)]