2021521645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{3889}}^1$

素因数の和:4645

約数の個数: 32

約数和(自身を含む): 2854575360

約数和(自身を除く): 833053715

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 727, 3635, 3889, 7997, 9451, 19445, 39985, 42779, 47255, 50557, 103961, 213895, 252785, 519805, 556127, 2780635, 2827303, 14136515, 31100333, 36754939, 155501665, 183774695, 404304329, 2021521645]

約数ペア:

[(1, 2021521645), (5, 404304329), (11, 183774695), (13, 155501665), (55, 36754939), (65, 31100333), (143, 14136515), (715, 2827303), (727, 2780635), (3635, 556127), (3889, 519805), (7997, 252785), (9451, 213895), (19445, 103961), (39985, 50557), (42779, 47255)]