21167339487

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{129509}}^1$

素因数の和:129743

約数の個数: 32

約数和(自身を含む): 33187714560

約数和(自身を除く): 12020375073

約数列:

[1, 3, 7, 21, 43, 129, 181, 301, 543, 903, 1267, 3801, 7783, 23349, 54481, 129509, 163443, 388527, 906563, 2719689, 5568887, 16706661, 23441129, 38982209, 70323387, 116946627, 164087903, 492263709, 1007968547, 3023905641, 7055779829, 21167339487]

約数ペア:

[(1, 21167339487), (3, 7055779829), (7, 3023905641), (21, 1007968547), (43, 492263709), (129, 164087903), (181, 116946627), (301, 70323387), (543, 38982209), (903, 23441129), (1267, 16706661), (3801, 5568887), (7783, 2719689), (23349, 906563), (54481, 388527), (129509, 163443)]