21199937937

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{39181}}^1$

素因数の和:39361

約数の個数: 32

約数和(自身を含む): 29858564736

約数和(自身を除く): 8658626799

約数列:

[1, 3, 41, 53, 83, 123, 159, 249, 2173, 3403, 4399, 6519, 10209, 13197, 39181, 117543, 180359, 541077, 1606421, 2076593, 3252023, 4819263, 6229779, 9756069, 85140313, 133332943, 172357219, 255420939, 399998829, 517071657, 7066645979, 21199937937]

約数ペア:

[(1, 21199937937), (3, 7066645979), (41, 517071657), (53, 399998829), (83, 255420939), (123, 172357219), (159, 133332943), (249, 85140313), (2173, 9756069), (3403, 6229779), (4399, 4819263), (6519, 3252023), (10209, 2076593), (13197, 1606421), (39181, 541077), (117543, 180359)]