16921408

素因数分解:

$2^6\times 7^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1$

素因数の和:479

約数の個数: 56

約数和(自身を含む): 38843712

約数和(自身を除く): 21922304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 214, 224, 353, 428, 448, 706, 749, 856, 1412, 1498, 1712, 2471, 2824, 2996, 3424, 4942, 5648, 5992, 6848, 9884, 11296, 11984, 19768, 22592, 23968, 37771, 39536, 47936, 75542, 79072, 151084, 158144, 264397, 302168, 528794, 604336, 1057588, 1208672, 2115176, 2417344, 4230352, 8460704, 16921408]

約数ペア:

[(1, 16921408), (2, 8460704), (4, 4230352), (7, 2417344), (8, 2115176), (14, 1208672), (16, 1057588), (28, 604336), (32, 528794), (56, 302168), (64, 264397), (107, 158144), (112, 151084), (214, 79072), (224, 75542), (353, 47936), (428, 39536), (448, 37771), (706, 23968), (749, 22592), (856, 19768), (1412, 11984), (1498, 11296), (1712, 9884), (2471, 6848), (2824, 5992), (2996, 5648), (3424, 4942)]