21139937316

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8270711}}^1$

素因数の和:8270792

約数の個数: 36

約数和(自身を含む): 54189705024

約数和(自身を除く): 33049767708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 8270711, 16541422, 24812133, 33082844, 49624266, 74436399, 99248532, 148872798, 297745596, 587220481, 1174440962, 1761661443, 2348881924, 3523322886, 5284984329, 7046645772, 10569968658, 21139937316]

約数ペア:

[(1, 21139937316), (2, 10569968658), (3, 7046645772), (4, 5284984329), (6, 3523322886), (9, 2348881924), (12, 1761661443), (18, 1174440962), (36, 587220481), (71, 297745596), (142, 148872798), (213, 99248532), (284, 74436399), (426, 49624266), (639, 33082844), (852, 24812133), (1278, 16541422), (2556, 8270711)]