21239176

素因数分解:

$2^3\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1093}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 45685440

約数和(自身を除く): 24446264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 347, 694, 1093, 1388, 2186, 2429, 2776, 4372, 4858, 7651, 8744, 9716, 15302, 19432, 30604, 61208, 379271, 758542, 1517084, 2654897, 3034168, 5309794, 10619588, 21239176]

約数ペア:

[(1, 21239176), (2, 10619588), (4, 5309794), (7, 3034168), (8, 2654897), (14, 1517084), (28, 758542), (56, 379271), (347, 61208), (694, 30604), (1093, 19432), (1388, 15302), (2186, 9716), (2429, 8744), (2776, 7651), (4372, 4858)]