211230118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{21871}}^1$

素因数の和:22323

約数の個数: 16

約数和(自身を含む): 346452480

約数和(自身を除く): 135222362

約数列:

[1, 2, 11, 22, 439, 878, 4829, 9658, 21871, 43742, 240581, 481162, 9601369, 19202738, 105615059, 211230118]

約数ペア:

[(1, 211230118), (2, 105615059), (11, 19202738), (22, 9601369), (439, 481162), (878, 240581), (4829, 43742), (9658, 21871)]