21000340833

素因数分解:

$3^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1\times {\mathrm{44797}}^1$

素因数の和:45616

約数の個数: 16

約数和(自身を含む): 28147479360

約数和(自身を除く): 7147138527

約数列:

[1, 3, 307, 509, 921, 1527, 44797, 134391, 156263, 468789, 13752679, 22801673, 41258037, 68405019, 7000113611, 21000340833]

約数ペア:

[(1, 21000340833), (3, 7000113611), (307, 68405019), (509, 41258037), (921, 22801673), (1527, 13752679), (44797, 468789), (134391, 156263)]