21356282

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2333}}^1$

素因数の和:2557

約数の個数: 16

約数和(自身を含む): 33609600

約数和(自身を除く): 12253318

約数列:

[1, 2, 23, 46, 199, 398, 2333, 4577, 4666, 9154, 53659, 107318, 464267, 928534, 10678141, 21356282]

約数ペア:

[(1, 21356282), (2, 10678141), (23, 928534), (46, 464267), (199, 107318), (398, 53659), (2333, 9154), (4577, 4666)]