21587434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2447}}^1$

素因数の和:2861

約数の個数: 16

約数和(自身を含む): 35427456

約数和(自身を除く): 13840022

約数列:

[1, 2, 11, 22, 401, 802, 2447, 4411, 4894, 8822, 26917, 53834, 981247, 1962494, 10793717, 21587434]

約数ペア:

[(1, 21587434), (2, 10793717), (11, 1962494), (22, 981247), (401, 53834), (802, 26917), (2447, 8822), (4411, 4894)]