21952774

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4987}}^1$

素因数の和:5091

約数の個数: 16

約数和(自身を含む): 34477056

約数和(自身を除く): 12524282

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 4987, 9974, 154597, 309194, 354077, 708154, 10976387, 21952774]

約数ペア:

[(1, 21952774), (2, 10976387), (31, 708154), (62, 354077), (71, 309194), (142, 154597), (2201, 9974), (4402, 4987)]