21000948026

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{547}}^1\times {\mathrm{6691}}^1$

素因数の和:7410

約数の個数: 32

約数和(自身を含む): 33445009920

約数和(自身を除く): 12444061894

約数列:

[1, 2, 19, 38, 151, 302, 547, 1094, 2869, 5738, 6691, 10393, 13382, 20786, 82597, 127129, 165194, 254258, 1010341, 1569343, 2020682, 3138686, 3659977, 7319954, 19196479, 38392958, 69539563, 139079126, 552656527, 1105313054, 10500474013, 21000948026]

約数ペア:

[(1, 21000948026), (2, 10500474013), (19, 1105313054), (38, 552656527), (151, 139079126), (302, 69539563), (547, 38392958), (1094, 19196479), (2869, 7319954), (5738, 3659977), (6691, 3138686), (10393, 2020682), (13382, 1569343), (20786, 1010341), (82597, 254258), (127129, 165194)]