21835520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2437}}^1$

素因数の和:2465

約数の個数: 72

約数和(自身を含む): 59799264

約数和(自身を除く): 37963744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 2437, 4480, 4874, 8960, 9748, 12185, 17059, 19496, 24370, 34118, 38992, 48740, 68236, 77984, 85295, 97480, 136472, 155968, 170590, 194960, 272944, 311936, 341180, 389920, 545888, 623872, 682360, 779840, 1091776, 1364720, 1559680, 2183552, 2729440, 3119360, 4367104, 5458880, 10917760, 21835520]

約数ペア:

[(1, 21835520), (2, 10917760), (4, 5458880), (5, 4367104), (7, 3119360), (8, 2729440), (10, 2183552), (14, 1559680), (16, 1364720), (20, 1091776), (28, 779840), (32, 682360), (35, 623872), (40, 545888), (56, 389920), (64, 341180), (70, 311936), (80, 272944), (112, 194960), (128, 170590), (140, 155968), (160, 136472), (224, 97480), (256, 85295), (280, 77984), (320, 68236), (448, 48740), (560, 38992), (640, 34118), (896, 24370), (1120, 19496), (1280, 17059), (1792, 12185), (2240, 9748), (2437, 8960), (4480, 4874)]