2100071995

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{7537}}^1$

素因数の和:7987

約数の個数: 32

約数和(自身を含む): 3039321600

約数和(自身を除く): 939249605

約数列:

[1, 5, 7, 19, 35, 95, 133, 419, 665, 2095, 2933, 7537, 7961, 14665, 37685, 39805, 52759, 55727, 143203, 263795, 278635, 716015, 1002421, 3158003, 5012105, 15790015, 22106021, 60002057, 110530105, 300010285, 420014399, 2100071995]

約数ペア:

[(1, 2100071995), (5, 420014399), (7, 300010285), (19, 110530105), (35, 60002057), (95, 22106021), (133, 15790015), (419, 5012105), (665, 3158003), (2095, 1002421), (2933, 716015), (7537, 278635), (7961, 263795), (14665, 143203), (37685, 55727), (39805, 52759)]