21235934

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{2251}}^1$

素因数の和:2395

約数の個数: 16

約数和(自身を含む): 32834160

約数和(自身を除く): 11598226

約数列:

[1, 2, 53, 89, 106, 178, 2251, 4502, 4717, 9434, 119303, 200339, 238606, 400678, 10617967, 21235934]

約数ペア:

[(1, 21235934), (2, 10617967), (53, 400678), (89, 238606), (106, 200339), (178, 119303), (2251, 9434), (4502, 4717)]