21449120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1741}}^1$

素因数の和:1774

約数の個数: 96

約数和(自身を含む): 63213696

約数和(自身を除く): 41764576

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1741, 1760, 2464, 3080, 3482, 6160, 6964, 8705, 12187, 12320, 13928, 17410, 19151, 24374, 27856, 34820, 38302, 48748, 55712, 60935, 69640, 76604, 95755, 97496, 121870, 134057, 139280, 153208, 191510, 194992, 243740, 268114, 278560, 306416, 383020, 389984, 487480, 536228, 612832, 670285, 766040, 974960, 1072456, 1340570, 1532080, 1949920, 2144912, 2681140, 3064160, 4289824, 5362280, 10724560, 21449120]

約数ペア:

[(1, 21449120), (2, 10724560), (4, 5362280), (5, 4289824), (7, 3064160), (8, 2681140), (10, 2144912), (11, 1949920), (14, 1532080), (16, 1340570), (20, 1072456), (22, 974960), (28, 766040), (32, 670285), (35, 612832), (40, 536228), (44, 487480), (55, 389984), (56, 383020), (70, 306416), (77, 278560), (80, 268114), (88, 243740), (110, 194992), (112, 191510), (140, 153208), (154, 139280), (160, 134057), (176, 121870), (220, 97496), (224, 95755), (280, 76604), (308, 69640), (352, 60935), (385, 55712), (440, 48748), (560, 38302), (616, 34820), (770, 27856), (880, 24374), (1120, 19151), (1232, 17410), (1540, 13928), (1741, 12320), (1760, 12187), (2464, 8705), (3080, 6964), (3482, 6160)]