21463669105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1621}}^1\times {\mathrm{3767}}^1$

素因数の和:5449

約数の個数: 32

約数和(自身を含む): 27869333760

約数和(自身を除く): 6405664655

約数列:

[1, 5, 19, 37, 95, 185, 703, 1621, 3515, 3767, 8105, 18835, 30799, 59977, 71573, 139379, 153995, 299885, 357865, 696895, 1139563, 2648201, 5697815, 6106307, 13241005, 30531535, 116019833, 225933359, 580099165, 1129666795, 4292733821, 21463669105]

約数ペア:

[(1, 21463669105), (5, 4292733821), (19, 1129666795), (37, 580099165), (95, 225933359), (185, 116019833), (703, 30531535), (1621, 13241005), (3515, 6106307), (3767, 5697815), (8105, 2648201), (18835, 1139563), (30799, 696895), (59977, 357865), (71573, 299885), (139379, 153995)]