21000605364

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{3222929}}^1$

素因数の和:3223120

約数の個数: 36

約数和(自身を含む): 53378166660

約数和(自身を除く): 32377561296

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3258, 6516, 3222929, 6445858, 9668787, 12891716, 19337574, 29006361, 38675148, 58012722, 116025444, 583350149, 1166700298, 1750050447, 2333400596, 3500100894, 5250151341, 7000201788, 10500302682, 21000605364]

約数ペア:

[(1, 21000605364), (2, 10500302682), (3, 7000201788), (4, 5250151341), (6, 3500100894), (9, 2333400596), (12, 1750050447), (18, 1166700298), (36, 583350149), (181, 116025444), (362, 58012722), (543, 38675148), (724, 29006361), (1086, 19337574), (1629, 12891716), (2172, 9668787), (3258, 6445858), (6516, 3222929)]