21849584

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{16453}}^1$

素因数の和:16544

約数の個数: 20

約数和(自身を含む): 42846216

約数和(自身を除く): 20996632

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 16453, 32906, 65812, 131624, 263248, 1365599, 2731198, 5462396, 10924792, 21849584]

約数ペア:

[(1, 21849584), (2, 10924792), (4, 5462396), (8, 2731198), (16, 1365599), (83, 263248), (166, 131624), (332, 65812), (664, 32906), (1328, 16453)]