21510496

素因数分解:

$2^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{881}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 48898080

約数和(自身を除く): 27387584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 109, 112, 218, 224, 436, 763, 872, 881, 1526, 1744, 1762, 3052, 3488, 3524, 6104, 6167, 7048, 12208, 12334, 14096, 24416, 24668, 28192, 49336, 96029, 98672, 192058, 197344, 384116, 672203, 768232, 1344406, 1536464, 2688812, 3072928, 5377624, 10755248, 21510496]

約数ペア:

[(1, 21510496), (2, 10755248), (4, 5377624), (7, 3072928), (8, 2688812), (14, 1536464), (16, 1344406), (28, 768232), (32, 672203), (56, 384116), (109, 197344), (112, 192058), (218, 98672), (224, 96029), (436, 49336), (763, 28192), (872, 24668), (881, 24416), (1526, 14096), (1744, 12334), (1762, 12208), (3052, 7048), (3488, 6167), (3524, 6104)]