21389508

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{9431}}^1$

素因数の和:9454

約数の個数: 60

約数和(自身を含む): 63911232

約数和(自身を除く): 42521724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 9431, 18862, 28293, 37724, 56586, 66017, 84879, 113172, 132034, 169758, 198051, 254637, 264068, 339516, 396102, 509274, 594153, 763911, 792204, 1018548, 1188306, 1527822, 1782459, 2376612, 3055644, 3564918, 5347377, 7129836, 10694754, 21389508]

約数ペア:

[(1, 21389508), (2, 10694754), (3, 7129836), (4, 5347377), (6, 3564918), (7, 3055644), (9, 2376612), (12, 1782459), (14, 1527822), (18, 1188306), (21, 1018548), (27, 792204), (28, 763911), (36, 594153), (42, 509274), (54, 396102), (63, 339516), (81, 264068), (84, 254637), (108, 198051), (126, 169758), (162, 132034), (189, 113172), (252, 84879), (324, 66017), (378, 56586), (567, 37724), (756, 28293), (1134, 18862), (2268, 9431)]