21217336

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{9241}}^1$

素因数の和:9295

約数の個数: 32

約数和(自身を含む): 46579680

約数和(自身を除く): 25362344

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 9241, 18482, 36964, 64687, 73928, 129374, 258748, 378881, 517496, 757762, 1515524, 2652167, 3031048, 5304334, 10608668, 21217336]

約数ペア:

[(1, 21217336), (2, 10608668), (4, 5304334), (7, 3031048), (8, 2652167), (14, 1515524), (28, 757762), (41, 517496), (56, 378881), (82, 258748), (164, 129374), (287, 73928), (328, 64687), (574, 36964), (1148, 18482), (2296, 9241)]